3 Test the appearance of variable names in "Use of uninitialized value"
6 The following ops aren't tested, mainly because they do IO or non-portable
9 send recv bind conect listen accept shutdown chdir chown chroot unlink
10 chmod utime rename link symlink readlink mkdir rmdir opendir seekdir
11 system exec kill getpgrp alarm sleep dofile require gethostbyname
12 gethostbyaddr getnetbyname getnetbyaddr getprotobyname getprotobynumber
13 getservbyname getservbyport sethostent setnetent setprotoent setservent
14 getpwnam getpwuid getgrnam getgrgid waitpid setpgrp setpriority
15 getpriority syscall dbmopen ioctl fcntl truncate getsockopt setsockopt
16 semctl semop semget msgget msgctl msgsnd msgrcv shmget shmctl shmread
19 ---------------------------------------------------
23 use warnings 'uninitialized';
30 Use of uninitialized value $m1 in addition (+) at - line 4.
31 Use of uninitialized value $m2 in addition (+) at - line 5.
32 Use of uninitialized value $m2 in addition (+) at - line 6.
33 Use of uninitialized value $m1 in addition (+) at - line 6.
35 use warnings 'uninitialized';
44 Use of uninitialized value $g1 in addition (+) at - line 5.
45 Use of uninitialized value $g2 in addition (+) at - line 6.
46 Use of uninitialized value $g2 in addition (+) at - line 7.
47 Use of uninitialized value $g1 in addition (+) at - line 7.
48 Use of uninitialized value $g2 in addition (+) at - line 8.
49 Use of uninitialized value $m1 in addition (+) at - line 8.
51 use warnings 'uninitialized';
58 $v = $ma[-1] + $ma[-2];
60 Use of uninitialized value $ma[5] in addition (+) at - line 4.
61 Use of uninitialized value $ma[6] in addition (+) at - line 5.
62 Use of uninitialized value $m1 in addition (+) at - line 6.
63 Use of uninitialized value in addition (+) at - line 6.
64 Use of uninitialized value in addition (+) at - line 7.
65 Use of uninitialized value in addition (+) at - line 7.
66 Use of uninitialized value in addition (+) at - line 8.
67 Use of uninitialized value in addition (+) at - line 8.
69 use warnings 'uninitialized';
71 my @mau = (undef) x 258;
72 my %mhu = ('foo', undef, 'bar', undef);
78 $v = $mau[7] + $mau[8];
79 $v = $mau[256] + $mau[257];
80 $v = $mau[-1] + $mau[-2];
81 $v = $mhu{foo} + $mhu{bar};
83 Use of uninitialized value $mau[5] in addition (+) at - line 6.
84 Use of uninitialized value $mau[-5] in addition (+) at - line 7.
85 Use of uninitialized value $mau[6] in addition (+) at - line 8.
86 Use of uninitialized value $mau[-6] in addition (+) at - line 9.
87 Use of uninitialized value $mau[8] in addition (+) at - line 10.
88 Use of uninitialized value $mau[7] in addition (+) at - line 10.
89 Use of uninitialized value $mau[257] in addition (+) at - line 11.
90 Use of uninitialized value $mau[256] in addition (+) at - line 11.
91 Use of uninitialized value $mau[-2] in addition (+) at - line 12.
92 Use of uninitialized value $mau[-1] in addition (+) at - line 12.
93 Use of uninitialized value $mhu{"bar"} in addition (+) at - line 13.
94 Use of uninitialized value $mhu{"foo"} in addition (+) at - line 13.
96 use warnings 'uninitialized';
104 $v = $ga[10] + $ga[11];
105 $v = $ga[-10] + $ga[-11];
107 Use of uninitialized value $ga[8] in addition (+) at - line 5.
108 Use of uninitialized value $ga[-8] in addition (+) at - line 6.
109 Use of uninitialized value $ga[9] in addition (+) at - line 7.
110 Use of uninitialized value $ga[-9] in addition (+) at - line 8.
111 Use of uninitialized value in addition (+) at - line 9.
112 Use of uninitialized value in addition (+) at - line 9.
113 Use of uninitialized value in addition (+) at - line 10.
114 Use of uninitialized value in addition (+) at - line 10.
116 use warnings 'uninitialized';
118 our @gau = (undef) x 258;
119 our %ghu = ('foo', undef, 'bar', undef);
125 $v = $gau[10] + $gau[11];
126 $v = $gau[256] + $gau[257];
127 $v = $gau[-1] + $gau[-2];
128 $v = $ghu{foo} + $ghu{bar};
130 Use of uninitialized value $gau[8] in addition (+) at - line 6.
131 Use of uninitialized value $gau[-8] in addition (+) at - line 7.
132 Use of uninitialized value $gau[9] in addition (+) at - line 8.
133 Use of uninitialized value $gau[-9] in addition (+) at - line 9.
134 Use of uninitialized value $gau[11] in addition (+) at - line 10.
135 Use of uninitialized value $gau[10] in addition (+) at - line 10.
136 Use of uninitialized value $gau[257] in addition (+) at - line 11.
137 Use of uninitialized value $gau[256] in addition (+) at - line 11.
138 Use of uninitialized value $gau[-2] in addition (+) at - line 12.
139 Use of uninitialized value $gau[-1] in addition (+) at - line 12.
140 Use of uninitialized value $ghu{"bar"} in addition (+) at - line 13.
141 Use of uninitialized value $ghu{"foo"} in addition (+) at - line 13.
143 use warnings 'uninitialized';
145 our @gau = (undef) x 258;
146 our %ghu = ('foo', undef, 'bar', undef);
147 my @mau = (undef) x 258;
148 my %mhu = ('foo', undef, 'bar', undef);
156 $v = $mau[$i1] + $mau[$i2];
157 $v = $gau[$i1] + $gau[$i2];
158 $v = $gau[$i1] + $gau[$i3];
159 $v = $mhu{$k1} + $mhu{$k2};
160 $v = $ghu{$k1} + $ghu{$k2};
161 $v = $ghu{$k1} + $ghu{$k3};
163 Use of uninitialized value $mau[20] in addition (+) at - line 14.
164 Use of uninitialized value $mau[10] in addition (+) at - line 14.
165 Use of uninitialized value $gau[20] in addition (+) at - line 15.
166 Use of uninitialized value $gau[10] in addition (+) at - line 15.
167 Use of uninitialized value in addition (+) at - line 16.
168 Use of uninitialized value $gau[10] in addition (+) at - line 16.
169 Use of uninitialized value $mhu{"bar"} in addition (+) at - line 17.
170 Use of uninitialized value $mhu{"foo"} in addition (+) at - line 17.
171 Use of uninitialized value $ghu{"bar"} in addition (+) at - line 18.
172 Use of uninitialized value $ghu{"foo"} in addition (+) at - line 18.
173 Use of uninitialized value in addition (+) at - line 19.
174 Use of uninitialized value $ghu{"foo"} in addition (+) at - line 19.
176 use warnings 'uninitialized';
177 my ($m1, $m2, @ma, %mh, $v);
178 our ($g1, $g2, @ga, %gh);
194 Use of uninitialized value $m1 in array element at - line 5.
195 Use of uninitialized value $g1 in array element at - line 6.
196 Use of uninitialized value $m2 in array element at - line 7.
197 Use of uninitialized value $g2 in array element at - line 8.
198 Use of uninitialized value $m1 in hash element at - line 10.
199 Use of uninitialized value $g1 in hash element at - line 11.
200 Use of uninitialized value $m2 in hash element at - line 12.
201 Use of uninitialized value $g2 in hash element at - line 13.
202 Use of uninitialized value $g1 in subtraction (-) at - line 15.
203 Use of uninitialized value $m2 in subtraction (-) at - line 15.
204 Use of uninitialized value $m1 in addition (+) at - line 15.
205 Use of uninitialized value $ga[3] in array element at - line 16.
206 Use of uninitialized value $ma[4] in array element at - line 17.
208 use warnings 'uninitialized';
222 Use of uninitialized value $ga[1000] in sin at - line 5.
223 Use of uninitialized value $ma[1000] in sin at - line 6.
224 Use of uninitialized value $gh{"foo"} in sin at - line 7.
225 Use of uninitialized value $mh{"bar"} in sin at - line 8.
226 Use of uninitialized value within @ga in sin at - line 10.
227 Use of uninitialized value within @ma in sin at - line 11.
228 Use of uninitialized value within %gh in sin at - line 12.
229 Use of uninitialized value within %mh in sin at - line 13.
231 use warnings 'uninitialized';
233 sub X::TIEARRAY { bless [], 'X' }
234 sub X::TIEHASH { bless [], 'X' }
235 sub X::FETCH { undef }
244 $v = $mat[0] + $mat[1];
246 $v = $mat[1000] + $mat[1001];
248 $v = sin $mat[$index1];
249 $v = $mat[$index1] + $mat[$index2];
252 $v = $mht{foo} + $mht{bar};
254 $v = sin $mht{$key1};
255 $v = $mht{$key1} + $mht{$key2};
259 Use of uninitialized value $mat[0] in sin at - line 13.
260 Use of uninitialized value in addition (+) at - line 14.
261 Use of uninitialized value in addition (+) at - line 14.
262 Use of uninitialized value $mat[1000] in sin at - line 15.
263 Use of uninitialized value in addition (+) at - line 16.
264 Use of uninitialized value in addition (+) at - line 16.
265 Use of uninitialized value within @mat in sin at - line 18.
266 Use of uninitialized value in addition (+) at - line 19.
267 Use of uninitialized value in addition (+) at - line 19.
268 Use of uninitialized value $mht{"foo"} in sin at - line 21.
269 Use of uninitialized value in addition (+) at - line 22.
270 Use of uninitialized value in addition (+) at - line 22.
271 Use of uninitialized value within %mht in sin at - line 24.
272 Use of uninitialized value in addition (+) at - line 25.
273 Use of uninitialized value in addition (+) at - line 25.
274 Use of uninitialized value $1 in addition (+) at - line 27.
276 use warnings 'uninitialized';
281 print STDERR $ga[1000];
282 print STDERR $m1, $g1, $ga[1],$m2;
283 print STDERR "", $ga[1],"";
285 Use of uninitialized value $ga[1000] in print at - line 5.
286 Use of uninitialized value $ga[1000] in print at - line 6.
287 Use of uninitialized value $m1 in print at - line 7.
288 Use of uninitialized value $g1 in print at - line 7.
289 Use of uninitialized value in print at - line 7.
290 Use of uninitialized value $m2 in print at - line 7.
291 Use of uninitialized value $ga[1] in print at - line 8.
293 use warnings 'uninitialized';
297 close $m1; # exercises rv2gv
298 close $g1; # exercises rv2gv
300 Use of uninitialized value $m1 in ref-to-glob cast at - line 5.
301 Use of uninitialized value $g1 in ref-to-glob cast at - line 6.
303 use warnings 'uninitialized';
319 Use of uninitialized value $m1 in scalar dereference at - line 5.
320 Use of uninitialized value $g1 in scalar dereference at - line 6.
321 Use of uninitialized value $m1 in array dereference at - line 8.
322 Use of uninitialized value $g1 in array dereference at - line 9.
323 Use of uninitialized value $m2 in hash dereference at - line 10.
324 Use of uninitialized value $g2 in hash dereference at - line 11.
325 Use of uninitialized value in addition (+) at - line 13.
326 Use of uninitialized value $m1 in concatenation (.) or string at - line 14.
327 Use of uninitialized value in addition (+) at - line 14.
328 Use of uninitialized value $g1 in concatenation (.) or string at - line 15.
329 Use of uninitialized value in addition (+) at - line 15.
331 use warnings 'uninitialized';
345 Use of uninitialized value $m1 in bitwise or (|) at - line 5.
346 Use of uninitialized value $m2 in bitwise or (|) at - line 5.
347 Use of uninitialized value $m1 in bitwise and (&) at - line 6.
348 Use of uninitialized value $m2 in bitwise and (&) at - line 6.
349 Use of uninitialized value $m1 in bitwise xor (^) at - line 7.
350 Use of uninitialized value $m2 in bitwise xor (^) at - line 7.
351 Use of uninitialized value $m1 in 1's complement (~) at - line 8.
352 Use of uninitialized value $g1 in bitwise or (|) at - line 10.
353 Use of uninitialized value $g2 in bitwise or (|) at - line 10.
354 Use of uninitialized value $g1 in bitwise and (&) at - line 11.
355 Use of uninitialized value $g2 in bitwise and (&) at - line 11.
356 Use of uninitialized value $g1 in bitwise xor (^) at - line 12.
357 Use of uninitialized value $g2 in bitwise xor (^) at - line 12.
358 Use of uninitialized value $g1 in 1's complement (~) at - line 13.
360 use warnings 'uninitialized';
363 my $tmp1; $v = $tmp1++; # (doesn't warn)
364 our $tmp2; $v = $tmp2++; # (doesn't warn)
365 my $tmp3; $v = ++$tmp1; # (doesn't warn)
366 our $tmp4; $v = ++$tmp2; # (doesn't warn)
368 my $tmp5; $v = $tmp5--; # (doesn't warn)
369 our $tmp6; $v = $tmp6--; # (doesn't warn)
370 my $tmp7; $v = --$tmp7; # (doesn't warn)
371 our $tmp8; $v = --$tmp8; # (doesn't warn)
374 use warnings 'uninitialized';
378 my ($s3,$s4); chomp ($s3,$s4);
379 my ($s5,$s6); chop ($s5,$s6);
381 Use of uninitialized value $s1 in scalar chomp at - line 3.
382 Use of uninitialized value $s2 in scalar chop at - line 4.
383 Use of uninitialized value $s4 in chomp at - line 5.
384 Use of uninitialized value $s3 in chomp at - line 5.
385 Use of uninitialized value $s5 in chop at - line 6.
386 Use of uninitialized value $s6 in chop at - line 6.
388 use warnings 'uninitialized';
395 chomp ($x, $y); chop ($x, $y);
397 Use of uninitialized value ${$/} in scalar chomp at - line 6.
398 Use of uninitialized value ${$/} in chomp at - line 8.
399 Use of uninitialized value $y in chomp at - line 8.
400 Use of uninitialized value ${$/} in chomp at - line 8.
401 Use of uninitialized value $y in chop at - line 8.
403 use warnings 'uninitialized';
408 delete @ma[$m1, $g1];
410 delete @mh{$m1, $g1};
412 Use of uninitialized value $m1 in delete at - line 5.
413 Use of uninitialized value $m1 in delete at - line 6.
414 Use of uninitialized value $g1 in delete at - line 6.
415 Use of uninitialized value $m1 in delete at - line 7.
416 Use of uninitialized value $m1 in delete at - line 8.
417 Use of uninitialized value $g1 in delete at - line 8.
419 use warnings 'uninitialized';
423 my @a = @ma[$m1, $g1];
424 @a = (4,5)[$m1, $g1];
427 Use of uninitialized value $m1 in array slice at - line 5.
428 Use of uninitialized value $g1 in array slice at - line 5.
429 Use of uninitialized value $m1 in list slice at - line 6.
430 Use of uninitialized value $g1 in list slice at - line 6.
431 Use of uninitialized value $m1 in hash slice at - line 7.
432 Use of uninitialized value $g1 in hash slice at - line 7.
434 use warnings 'uninitialized';
435 my ($m1, @ma, %mh, $v);
438 $v = exists $ma[$m1];
439 $v = exists $ga[$g1];
440 $v = exists $mh{$m1};
441 $v = exists $gh{$g1};
443 Use of uninitialized value $m1 in exists at - line 5.
444 Use of uninitialized value $g1 in exists at - line 6.
445 Use of uninitialized value $m1 in exists at - line 7.
446 Use of uninitialized value $g1 in exists at - line 8.
448 use warnings 'uninitialized';
456 Use of uninitialized value $m1 in left bitshift (<<) at - line 6.
457 Use of uninitialized value $x1 in left bitshift (<<) at - line 6.
458 Use of uninitialized value $g1 in left bitshift (<<) at - line 7.
459 Use of uninitialized value $x2 in left bitshift (<<) at - line 7.
461 use warnings 'uninitialized';
469 eval {$v = $m1 / $g1};
471 eval {$v = $m1 % $g1};
482 Use of uninitialized value $g1 in integer addition (+) at - line 6.
483 Use of uninitialized value $m1 in integer addition (+) at - line 6.
484 Use of uninitialized value $g1 in integer subtraction (-) at - line 7.
485 Use of uninitialized value $m1 in integer subtraction (-) at - line 7.
486 Use of uninitialized value $g1 in integer multiplication (*) at - line 8.
487 Use of uninitialized value $m1 in integer multiplication (*) at - line 8.
488 Use of uninitialized value $g1 in integer division (/) at - line 9.
489 Use of uninitialized value $m2 in integer division (/) at - line 10.
490 Use of uninitialized value $g1 in integer modulus (%) at - line 11.
491 Use of uninitialized value $m1 in integer modulus (%) at - line 11.
492 Use of uninitialized value $m2 in integer modulus (%) at - line 12.
493 Use of uninitialized value $g1 in integer lt (<) at - line 13.
494 Use of uninitialized value $m1 in integer lt (<) at - line 13.
495 Use of uninitialized value $g1 in integer gt (>) at - line 14.
496 Use of uninitialized value $m1 in integer gt (>) at - line 14.
497 Use of uninitialized value $g1 in integer le (<=) at - line 15.
498 Use of uninitialized value $m1 in integer le (<=) at - line 15.
499 Use of uninitialized value $g1 in integer ge (>=) at - line 16.
500 Use of uninitialized value $m1 in integer ge (>=) at - line 16.
501 Use of uninitialized value $g1 in integer eq (==) at - line 17.
502 Use of uninitialized value $m1 in integer eq (==) at - line 17.
503 Use of uninitialized value $g1 in integer ne (!=) at - line 18.
504 Use of uninitialized value $m1 in integer ne (!=) at - line 18.
505 Use of uninitialized value $g1 in integer comparison (<=>) at - line 19.
506 Use of uninitialized value $m1 in integer comparison (<=>) at - line 19.
507 Use of uninitialized value $m1 in integer negation (-) at - line 20.
509 use warnings 'uninitialized';
516 Use of uninitialized value $g1 in int at - line 5.
517 Use of uninitialized value $g2 in abs at - line 6.
519 use warnings 'uninitialized';
524 $v = pack "i*", $m2, $g1, $g2;
525 my @unpack = unpack $m1, $m2;
527 Use of uninitialized value $m1 in pack at - line 5.
528 Use of uninitialized value $m2 in pack at - line 6.
529 Use of uninitialized value $g1 in pack at - line 6.
530 Use of uninitialized value $g2 in pack at - line 6.
531 Use of uninitialized value $m1 in unpack at - line 7.
532 Use of uninitialized value $m2 in unpack at - line 7.
534 use warnings 'uninitialized';
539 @sort = sort $m1, $g1;
540 @sort = sort {$a <=> $b} $m1, $g1;
541 sub sortf {$a-1 <=> $b-1};
542 @sort = sort &sortf, $m1, $g1;
544 Use of uninitialized value $m1 in sort at - line 6.
545 Use of uninitialized value $g1 in sort at - line 6.
546 Use of uninitialized value $m1 in sort at - line 6.
547 Use of uninitialized value $g1 in sort at - line 6.
548 Use of uninitialized value $m1 in sort at - line 7.
549 Use of uninitialized value $g1 in sort at - line 7.
550 Use of uninitialized value $m1 in sort at - line 7.
551 Use of uninitialized value $g1 in sort at - line 7.
552 Use of uninitialized value $a in subtraction (-) at - line 8.
553 Use of uninitialized value $b in subtraction (-) at - line 8.
554 Use of uninitialized value $m1 in sort at - line 9.
555 Use of uninitialized value $g1 in sort at - line 9.
556 Use of uninitialized value $m1 in sort at - line 9.
557 Use of uninitialized value $m1 in sort at - line 9.
558 Use of uninitialized value $g1 in sort at - line 9.
559 Use of uninitialized value $g1 in sort at - line 9.
561 use warnings 'uninitialized';
565 eval { $v = $m1 / $g1 };
567 eval { $v = $m1 % $g1 };
582 Use of uninitialized value $g1 in division (/) at - line 5.
583 Use of uninitialized value $m1 in division (/) at - line 5.
584 Use of uninitialized value $m2 in division (/) at - line 6.
585 Use of uninitialized value $g1 in modulus (%) at - line 7.
586 Use of uninitialized value $m1 in modulus (%) at - line 7.
587 Use of uninitialized value $m2 in modulus (%) at - line 8.
588 Use of uninitialized value $g1 in numeric eq (==) at - line 9.
589 Use of uninitialized value $m1 in numeric eq (==) at - line 9.
590 Use of uninitialized value $g1 in numeric ge (>=) at - line 10.
591 Use of uninitialized value $m1 in numeric ge (>=) at - line 10.
592 Use of uninitialized value $g1 in numeric gt (>) at - line 11.
593 Use of uninitialized value $m1 in numeric gt (>) at - line 11.
594 Use of uninitialized value $g1 in numeric le (<=) at - line 12.
595 Use of uninitialized value $m1 in numeric le (<=) at - line 12.
596 Use of uninitialized value $g1 in numeric lt (<) at - line 13.
597 Use of uninitialized value $m1 in numeric lt (<) at - line 13.
598 Use of uninitialized value $g1 in multiplication (*) at - line 14.
599 Use of uninitialized value $m1 in multiplication (*) at - line 14.
600 Use of uninitialized value $g1 in numeric comparison (<=>) at - line 15.
601 Use of uninitialized value $m1 in numeric comparison (<=>) at - line 15.
602 Use of uninitialized value $g1 in numeric ne (!=) at - line 16.
603 Use of uninitialized value $m1 in numeric ne (!=) at - line 16.
604 Use of uninitialized value $g1 in subtraction (-) at - line 17.
605 Use of uninitialized value $m1 in subtraction (-) at - line 17.
606 Use of uninitialized value $g1 in exponentiation (**) at - line 18.
607 Use of uninitialized value $m1 in exponentiation (**) at - line 18.
608 Use of uninitialized value $g1 in addition (+) at - line 19.
609 Use of uninitialized value $m1 in addition (+) at - line 19.
610 Use of uninitialized value $g1 in subtraction (-) at - line 20.
611 Use of uninitialized value $m1 in subtraction (-) at - line 20.
613 use warnings 'uninitialized';
624 Use of uninitialized value $m1 in glob elem at - line 5.
625 Use of uninitialized value $g1 in subroutine prototype at - line 6.
626 Use of uninitialized value $g1 in bless at - line 7.
627 Use of uninitialized value $m1 in quoted execution (``, qx) at - line 8.
628 Use of uninitialized value $m1 in concatenation (.) or string at - line 10.
629 Use of uninitialized value $g1 in concatenation (.) or string at - line 10.
631 use warnings 'uninitialized';
642 s/$m1/$g1/; undef $_;
652 s/$m1/$g1/; undef $_;
658 $g2 =~ s/y/z/; undef $g2;
659 $g2 =~ s/$m1/z/; undef $g2;
660 $g2 =~ s//$g1/; undef $g2;
661 $g2 =~ s/$m1/$g1/; undef $g2;
662 $g2 =~ tr/x/y/; undef $g2; # XXX can't extract var name yet
676 Use of uninitialized value $_ in pattern match (m//) at - line 5.
677 Use of uninitialized value $m1 in regexp compilation at - line 6.
678 Use of uninitialized value $_ in pattern match (m//) at - line 6.
679 Use of uninitialized value $g1 in regexp compilation at - line 7.
680 Use of uninitialized value $_ in pattern match (m//) at - line 7.
681 Use of uninitialized value $_ in substitution (s///) at - line 9.
682 Use of uninitialized value $m1 in regexp compilation at - line 10.
683 Use of uninitialized value $_ in substitution (s///) at - line 10.
684 Use of uninitialized value $_ in substitution (s///) at - line 10.
685 Use of uninitialized value $_ in substitution (s///) at - line 11.
686 Use of uninitialized value $g1 in substitution (s///) at - line 11.
687 Use of uninitialized value $_ in substitution (s///) at - line 11.
688 Use of uninitialized value $g1 in substitution (s///) at - line 11.
689 Use of uninitialized value $m1 in regexp compilation at - line 12.
690 Use of uninitialized value $_ in substitution (s///) at - line 12.
691 Use of uninitialized value $_ in substitution (s///) at - line 12.
692 Use of uninitialized value $g1 in substitution iterator at - line 12.
693 Use of uninitialized value $_ in transliteration (tr///) at - line 13.
694 Use of uninitialized value $_ in pattern match (m//) at - line 16.
695 Use of uninitialized value $m1 in regexp compilation at - line 17.
696 Use of uninitialized value $_ in pattern match (m//) at - line 17.
697 Use of uninitialized value $g1 in regexp compilation at - line 18.
698 Use of uninitialized value $_ in pattern match (m//) at - line 18.
699 Use of uninitialized value $_ in substitution (s///) at - line 19.
700 Use of uninitialized value $m1 in regexp compilation at - line 20.
701 Use of uninitialized value $_ in substitution (s///) at - line 20.
702 Use of uninitialized value $_ in substitution (s///) at - line 20.
703 Use of uninitialized value $_ in substitution (s///) at - line 21.
704 Use of uninitialized value $g1 in substitution (s///) at - line 21.
705 Use of uninitialized value $_ in substitution (s///) at - line 21.
706 Use of uninitialized value $g1 in substitution (s///) at - line 21.
707 Use of uninitialized value $m1 in regexp compilation at - line 22.
708 Use of uninitialized value $_ in substitution (s///) at - line 22.
709 Use of uninitialized value $_ in substitution (s///) at - line 22.
710 Use of uninitialized value $g1 in substitution iterator at - line 22.
711 Use of uninitialized value $_ in transliteration (tr///) at - line 23.
712 Use of uninitialized value $g2 in pattern match (m//) at - line 25.
713 Use of uninitialized value $m1 in regexp compilation at - line 26.
714 Use of uninitialized value $g2 in pattern match (m//) at - line 26.
715 Use of uninitialized value $g1 in regexp compilation at - line 27.
716 Use of uninitialized value $g2 in pattern match (m//) at - line 27.
717 Use of uninitialized value $g2 in substitution (s///) at - line 28.
718 Use of uninitialized value $m1 in regexp compilation at - line 29.
719 Use of uninitialized value $g2 in substitution (s///) at - line 29.
720 Use of uninitialized value $g2 in substitution (s///) at - line 29.
721 Use of uninitialized value $g2 in substitution (s///) at - line 30.
722 Use of uninitialized value $g1 in substitution (s///) at - line 30.
723 Use of uninitialized value $g2 in substitution (s///) at - line 30.
724 Use of uninitialized value $g1 in substitution (s///) at - line 30.
725 Use of uninitialized value $m1 in regexp compilation at - line 31.
726 Use of uninitialized value $g2 in substitution (s///) at - line 31.
727 Use of uninitialized value $g2 in substitution (s///) at - line 31.
728 Use of uninitialized value $g1 in substitution iterator at - line 31.
729 Use of uninitialized value in transliteration (tr///) at - line 32.
730 Use of uninitialized value $m1 in regexp compilation at - line 35.
731 Use of uninitialized value $g1 in regexp compilation at - line 36.
732 Use of uninitialized value $m1 in regexp compilation at - line 38.
733 Use of uninitialized value $g1 in substitution (s///) at - line 39.
734 Use of uninitialized value $m1 in regexp compilation at - line 40.
735 Use of uninitialized value $g1 in substitution iterator at - line 40.
736 Use of uninitialized value $m1 in substitution iterator at - line 41.
737 Use of uninitialized value in substitution iterator at - line 44.
739 use warnings 'uninitialized';
742 { my $foo = "abc"; (substr($foo,0,0)) = ($m1) }
744 Use of uninitialized value $m1 in list assignment at - line 4.
746 use warnings 'uninitialized';
752 Use of uninitialized value $_ in study at - line 4.
753 Use of uninitialized value $g1 in study at - line 5.
755 use warnings 'uninitialized';
761 Use of uninitialized value $_ in scalar assignment at - line 4.
762 Use of uninitialized value $m1 in scalar assignment at - line 5.
764 use warnings 'uninitialized';
775 Use of uninitialized value in addition (+) at - line 5.
776 Use of uninitialized value in addition (+) at - line 6.
777 Use of uninitialized value in addition (+) at - line 9.
778 Use of uninitialized value in addition (+) at - line 10.
780 use warnings 'uninitialized';
783 { my $x = "a" x $m1 } # NB LHS of repeat does not warn
784 { my @x = ("a") x $m1 }
786 Use of uninitialized value $m1 in repeat (x) at - line 4.
787 Use of uninitialized value $m1 in repeat (x) at - line 5.
789 use warnings 'uninitialized';
803 Use of uninitialized value $m1 in string at - line 5.
804 Use of uninitialized value $m1 in string lt at - line 7.
805 Use of uninitialized value $g1 in string lt at - line 7.
806 Use of uninitialized value $m1 in string le at - line 8.
807 Use of uninitialized value $g1 in string le at - line 8.
808 Use of uninitialized value $m1 in string gt at - line 9.
809 Use of uninitialized value $g1 in string gt at - line 9.
810 Use of uninitialized value $m1 in string ge at - line 10.
811 Use of uninitialized value $g1 in string ge at - line 10.
812 Use of uninitialized value $m1 in string eq at - line 11.
813 Use of uninitialized value $g1 in string eq at - line 11.
814 Use of uninitialized value $m1 in string ne at - line 12.
815 Use of uninitialized value $g1 in string ne at - line 12.
816 Use of uninitialized value $m1 in string comparison (cmp) at - line 13.
817 Use of uninitialized value $g1 in string comparison (cmp) at - line 13.
819 use warnings 'uninitialized';
834 $v = length; # does not warn
836 Use of uninitialized value $g1 in atan2 at - line 5.
837 Use of uninitialized value $m1 in atan2 at - line 5.
838 Use of uninitialized value $m1 in sin at - line 6.
839 Use of uninitialized value $m1 in cos at - line 7.
840 Use of uninitialized value $m1 in rand at - line 8.
841 Use of uninitialized value $m1 in srand at - line 9.
842 Use of uninitialized value $m1 in exp at - line 10.
843 Use of uninitialized value $m1 in log at - line 11.
844 Use of uninitialized value $m1 in sqrt at - line 12.
845 Use of uninitialized value $m1 in hex at - line 13.
846 Use of uninitialized value $m1 in oct at - line 14.
847 Use of uninitialized value $_ in oct at - line 15.
849 use warnings 'uninitialized';
853 $v = substr $m1, $g1;
854 $v = substr $m1, $g1, $m2;
855 $v = substr $m1, $g1, $m2, $g2; undef $m1;
856 substr($m1, $g1) = $g2; undef $m1; # NB global2
857 substr($m1, $g1, $m2) = $g2; undef $m1; # isn't identified
859 $v = eval {vec ($m1, $g1, $m2)};
860 eval {vec ($m1, $g1, $m2) = $g2}; undef $m1; # ditto
863 $v = index $m1, $m2, $g1;
864 $v = rindex $m1, $m2;
865 $v = rindex $m1, $m2, $g1;
867 Use of uninitialized value $g1 in substr at - line 5.
868 Use of uninitialized value $m1 in substr at - line 5.
869 Use of uninitialized value $m2 in substr at - line 6.
870 Use of uninitialized value $g1 in substr at - line 6.
871 Use of uninitialized value $m1 in substr at - line 6.
872 Use of uninitialized value $g2 in substr at - line 7.
873 Use of uninitialized value $m2 in substr at - line 7.
874 Use of uninitialized value $g1 in substr at - line 7.
875 Use of uninitialized value $m1 in substr at - line 7.
876 Use of uninitialized value $g1 in substr at - line 8.
877 Use of uninitialized value $m1 in substr at - line 8.
878 Use of uninitialized value in scalar assignment at - line 8.
879 Use of uninitialized value $m2 in substr at - line 9.
880 Use of uninitialized value $g1 in substr at - line 9.
881 Use of uninitialized value $m1 in substr at - line 9.
882 Use of uninitialized value in scalar assignment at - line 9.
883 Use of uninitialized value $m2 in vec at - line 11.
884 Use of uninitialized value $g1 in vec at - line 11.
885 Use of uninitialized value $m1 in vec at - line 11.
886 Use of uninitialized value $m2 in vec at - line 12.
887 Use of uninitialized value $g1 in vec at - line 12.
888 Use of uninitialized value $m1 in vec at - line 12.
889 Use of uninitialized value $m1 in index at - line 14.
890 Use of uninitialized value $m2 in index at - line 14.
891 Use of uninitialized value $g1 in index at - line 15.
892 Use of uninitialized value $m1 in index at - line 15.
893 Use of uninitialized value $m2 in index at - line 15.
894 Use of uninitialized value $m1 in rindex at - line 16.
895 Use of uninitialized value $m2 in rindex at - line 16.
896 Use of uninitialized value $g1 in rindex at - line 17.
897 Use of uninitialized value $m1 in rindex at - line 17.
898 Use of uninitialized value $m2 in rindex at - line 17.
900 use warnings 'uninitialized';
905 $v = sprintf '%d%d%d%d', $m1, $m2, $g1, $g2;
906 my $m3; eval {formline $m3 };
907 formline '@<<@<<@<<@<<', $m1, $m2, $g1, $g2;
909 Use of uninitialized value $m1 in sprintf at - line 5.
910 Use of uninitialized value $m1 in sprintf at - line 6.
911 Use of uninitialized value $m2 in sprintf at - line 6.
912 Use of uninitialized value $g1 in sprintf at - line 6.
913 Use of uninitialized value $g2 in sprintf at - line 6.
914 Use of uninitialized value $m3 in formline at - line 7.
915 Use of uninitialized value $m1 in formline at - line 8.
916 Use of uninitialized value $m2 in formline at - line 8.
917 Use of uninitialized value $g1 in formline at - line 8.
918 Use of uninitialized value $g2 in formline at - line 8.
920 use warnings 'uninitialized';
943 Use of uninitialized value $m1 in crypt at - line 5.
944 Use of uninitialized value $g1 in crypt at - line 5.
945 Use of uninitialized value $_ in ord at - line 7.
946 Use of uninitialized value $m1 in ord at - line 8.
947 Use of uninitialized value $_ in chr at - line 9.
948 Use of uninitialized value $m1 in chr at - line 10.
949 Use of uninitialized value $_ in ucfirst at - line 12.
950 Use of uninitialized value $m1 in ucfirst at - line 13.
951 Use of uninitialized value $_ in lcfirst at - line 14.
952 Use of uninitialized value $m1 in lcfirst at - line 15.
953 Use of uninitialized value $_ in uc at - line 16.
954 Use of uninitialized value $m1 in uc at - line 17.
955 Use of uninitialized value $_ in lc at - line 18.
956 Use of uninitialized value $m1 in lc at - line 19.
957 Use of uninitialized value $_ in quotemeta at - line 21.
958 Use of uninitialized value $m1 in quotemeta at - line 22.
960 use warnings 'uninitialized';
961 my ($m1, $v1, $v2, $v3, $v4);
964 ($v1,$v2,$v3,$v4) = split;
965 ($v1,$v2,$v3,$v4) = split $m1;
966 ($v1,$v2,$v3,$v4) = split $m1, $m2;
967 ($v1,$v2,$v3,$v4) = split $m1, $m2, $g1;
971 $v3 = join $m1, $m2, $m3;
973 Use of uninitialized value $_ in split at - line 5.
974 Use of uninitialized value $m1 in regexp compilation at - line 6.
975 Use of uninitialized value $_ in split at - line 6.
976 Use of uninitialized value $m1 in regexp compilation at - line 7.
977 Use of uninitialized value $m2 in split at - line 7.
978 Use of uninitialized value $m1 in regexp compilation at - line 8.
979 Use of uninitialized value $g1 in split at - line 8.
980 Use of uninitialized value $m2 in split at - line 8.
981 Use of uninitialized value $m1 in join or string at - line 10.
982 Use of uninitialized value $m1 in join or string at - line 11.
983 Use of uninitialized value $m2 in join or string at - line 11.
984 Use of uninitialized value $m1 in join or string at - line 12.
985 Use of uninitialized value $m2 in join or string at - line 12.
986 Use of uninitialized value $m3 in join or string at - line 12.
988 use warnings 'uninitialized';
989 my ($m1, $m2, @ma, $v);
991 our @foo1=(1,undef); chomp @foo1;
992 my @foo2=(1,undef); chomp @foo2;
993 our @foo3=(1,undef); chop @foo3;
994 my @foo4=(1,undef); chop @foo4;
995 our @foo5=(1,undef); $v = sprintf "%s%s",@foo5;
996 my @foo6=(1,undef); $v = sprintf "%s%s",@foo6;
997 our %foo7=('foo'=>'bar','baz'=>undef); $v = sprintf "%s%s",%foo7;
998 my %foo8=('foo'=>'bar','baz'=>undef); $v = sprintf "%s%s",%foo8;
999 our @foo9 =(1,undef); $v = sprintf "%s%s%s%s",$m1,@foo9, $ma[2];
1000 my @foo10=(1,undef); $v = sprintf "%s%s%s%s",$m2,@foo10,$ma[2];
1001 our %foo11=('foo'=>'bar','baz'=>undef); $v = join '', %foo11;
1002 my %foo12=('foo'=>'bar','baz'=>undef); $v = join '', %foo12;
1003 our %foo13=(1..2000,'foo'=>'bar','baz'=>undef); $v = join '', %foo13;
1004 my %foo14=(1..2000,'foo'=>'bar','baz'=>undef); $v = join '', %foo14;
1006 Use of uninitialized value $foo1[1] in chomp at - line 4.
1007 Use of uninitialized value $foo2[1] in chomp at - line 5.
1008 Use of uninitialized value $foo3[1] in chop at - line 6.
1009 Use of uninitialized value $foo4[1] in chop at - line 7.
1010 Use of uninitialized value $foo5[1] in sprintf at - line 8.
1011 Use of uninitialized value $foo6[1] in sprintf at - line 9.
1012 Use of uninitialized value $foo7{"baz"} in sprintf at - line 10.
1013 Use of uninitialized value $foo8{"baz"} in sprintf at - line 11.
1014 Use of uninitialized value $m1 in sprintf at - line 12.
1015 Use of uninitialized value $foo9[1] in sprintf at - line 12.
1016 Use of uninitialized value in sprintf at - line 12.
1017 Use of uninitialized value $m2 in sprintf at - line 13.
1018 Use of uninitialized value $foo10[1] in sprintf at - line 13.
1019 Use of uninitialized value in sprintf at - line 13.
1020 Use of uninitialized value $foo11{"baz"} in join or string at - line 14.
1021 Use of uninitialized value $foo12{"baz"} in join or string at - line 15.
1022 Use of uninitialized value within %foo13 in join or string at - line 16.
1023 Use of uninitialized value within %foo14 in join or string at - line 17.
1025 use warnings 'uninitialized';
1028 undef $^A; $v = $^A + ${^FOO}; # should output '^A' not chr(1)
1033 Use of uninitialized value $^FOO in addition (+) at - line 4.
1034 Use of uninitialized value $^A in addition (+) at - line 4.
1035 Use of uninitialized value $GLOB1 in addition (+) at - line 6.
1036 Use of uninitialized value $GLOB2 in addition (+) at - line 7.
1038 use warnings 'uninitialized';
1041 # check hash key is sanitised
1042 my %h = ("\0011\002\r\n\t\f\"\\abcdefghijklmnopqrstuvwxyz", undef);
1045 Use of uninitialized value $h{"\0011\2\r\n\t\f\"\\abcdefghijklm"...} in join or string at - line 6.
1047 use warnings 'uninitialized';
1051 $v = eval { \&$m1 };
1052 $v = eval { \&$g1 };
1055 @a = splice @a, $m1, $g1;
1056 $v = 1 + splice @a, $m1, $g1;
1058 my $x = bless [], 'Z';
1066 eval { die $m1, $g1 };
1071 Use of uninitialized value $m1 in subroutine dereference at - line 5.
1072 Use of uninitialized value $g1 in subroutine dereference at - line 6.
1073 Use of uninitialized value $m1 in splice at - line 9.
1074 Use of uninitialized value $g1 in splice at - line 9.
1075 Use of uninitialized value $m1 in splice at - line 10.
1076 Use of uninitialized value $g1 in splice at - line 10.
1077 Use of uninitialized value in addition (+) at - line 10.
1078 Use of uninitialized value $m1 in method lookup at - line 13.
1079 Use of uninitialized value in subroutine entry at - line 15.
1080 Use of uninitialized value in subroutine entry at - line 16.
1081 Use of uninitialized value $m1 in warn at - line 18.
1082 Use of uninitialized value $g1 in warn at - line 18.
1084 Use of uninitialized value $m1 in die at - line 20.
1085 Use of uninitialized value $g1 in die at - line 20.
1086 Use of uninitialized value $m1 in symbol reset at - line 22.
1087 Use of uninitialized value $g1 in symbol reset at - line 23.
1089 use warnings 'uninitialized';
1093 open FOO; # accesses $FOO
1095 open($foo."O"); # accesses $FOO
1096 open my $x; # accesses ${*$x}
1097 open $foobar; # accesses ${*$foobar}
1100 eval { open $y, $m1, $g1 };
1103 sysopen $y, $m1, $m2;
1104 sysopen $y, $m1, $g1, $m2;
1113 Use of uninitialized value $FOO in open at - line 5.
1114 Use of uninitialized value in open at - line 7.
1115 Use of uninitialized value in open at - line 8.
1116 Use of uninitialized value in open at - line 9.
1117 Use of uninitialized value $m1 in open at - line 11.
1118 Use of uninitialized value $m1 in open at - line 12.
1119 Use of uninitialized value $g1 in open at - line 13.
1120 Use of uninitialized value $m2 in sysopen at - line 15.
1121 Use of uninitialized value $m1 in sysopen at - line 15.
1122 Use of uninitialized value $m2 in sysopen at - line 16.
1123 Use of uninitialized value $g1 in sysopen at - line 16.
1124 Use of uninitialized value $m1 in sysopen at - line 16.
1125 Use of uninitialized value $m1 in umask at - line 19.
1126 Use of uninitialized value $g1 in umask at - line 20.
1127 Use of uninitialized value $m1 in binmode at - line 23.
1128 Use of uninitialized value $m1 in binmode at - line 23.
1130 use warnings 'uninitialized';
1134 eval { my $x; tie $x, $m1 };
1136 eval { my $x; read $m1, $x, $g1 };
1137 eval { my $x; read $m1, $x, $g1, $g2 };
1138 eval { my $x; sysread $m1, $x, $g1 };
1139 eval { my $x; sysread $m1, $x, $g1, $g2 };
1141 Use of uninitialized value $m1 in tie at - line 5.
1142 Use of uninitialized value $m1 in tie at - line 5.
1143 Use of uninitialized value $m1 in ref-to-glob cast at - line 7.
1144 Use of uninitialized value $g1 in read at - line 7.
1145 Use of uninitialized value $m1 in ref-to-glob cast at - line 8.
1146 Use of uninitialized value $g1 in read at - line 8.
1147 Use of uninitialized value $g2 in read at - line 8.
1148 Use of uninitialized value $m1 in ref-to-glob cast at - line 9.
1149 Use of uninitialized value $g1 in sysread at - line 9.
1150 Use of uninitialized value $m1 in ref-to-glob cast at - line 10.
1151 Use of uninitialized value $g1 in sysread at - line 10.
1152 Use of uninitialized value $g2 in sysread at - line 10.
1154 use warnings 'uninitialized';
1159 printf STDERR "%d%d%d%d\n", $m1, $m2, $g1, $g2;
1161 printf STDERR "FOO1:%s\n", $ga[1000];
1162 printf STDERR "FOO2:%s%s%s%s\n", $m1, $g1, $ga[1],$m2;
1163 printf STDERR "FOO3:%s%s%s\n", "X", $ga[1],"Y";
1165 Use of uninitialized value $m1 in printf at - line 5.
1166 Use of uninitialized value $m1 in printf at - line 6.
1167 Use of uninitialized value $m2 in printf at - line 6.
1168 Use of uninitialized value $g1 in printf at - line 6.
1169 Use of uninitialized value $g2 in printf at - line 6.
1171 Use of uninitialized value $ga[1000] in printf at - line 7.
1172 Use of uninitialized value $ga[1000] in printf at - line 8.
1174 Use of uninitialized value $m1 in printf at - line 9.
1175 Use of uninitialized value $g1 in printf at - line 9.
1176 Use of uninitialized value in printf at - line 9.
1177 Use of uninitialized value $m2 in printf at - line 9.
1179 Use of uninitialized value $ga[1] in printf at - line 10.
1182 use warnings 'uninitialized';
1186 eval { my $x; seek $x,$m1, $g1 };
1187 eval { my $x; sysseek $x,$m1, $g1 };
1188 eval { syswrite $m1, $g1 }; # logic changed - now won't try $g1 if $m1 is bad
1189 # eval { syswrite STDERR, $m1 }; # XXX under utf8, can give
1190 # eval { syswrite STDERR, $m1, $g1 }; # XXX different warnings
1191 # eval { syswrite STDERR, $m1, $g1, $m2 };
1192 eval { my $x; socket $x, $m1, $g1, $m2 };
1193 eval { my ($x,$y); socketpair $x, $y, $m1, $g1, $m2 };
1195 Use of uninitialized value $x in ref-to-glob cast at - line 5.
1196 Use of uninitialized value $g1 in seek at - line 5.
1197 Use of uninitialized value $m1 in seek at - line 5.
1198 Use of uninitialized value $x in ref-to-glob cast at - line 6.
1199 Use of uninitialized value $g1 in sysseek at - line 6.
1200 Use of uninitialized value $m1 in sysseek at - line 6.
1201 Use of uninitialized value $m1 in ref-to-glob cast at - line 7.
1202 Use of uninitialized value $m2 in socket at - line 11.
1203 Use of uninitialized value $g1 in socket at - line 11.
1204 Use of uninitialized value $m1 in socket at - line 11.
1205 Use of uninitialized value $m2 in socketpair at - line 12.
1206 Use of uninitialized value $g1 in socketpair at - line 12.
1207 Use of uninitialized value $m1 in socketpair at - line 12.
1211 if ( !$Config{d_flock} &&
1212 !$Config{d_fcntl_can_lock} &&
1213 !$Config{d_lockf} ) {
1221 use warnings 'uninitialized';
1224 eval { my $x; flock $x, $g1 };
1226 Use of uninitialized value $x in ref-to-glob cast at - line 16.
1227 Use of uninitialized value $g1 in flock at - line 16.
1229 use warnings 'uninitialized';
1261 # $v = -k $m1; # XXX this is a no-op under win32
1266 Use of uninitialized value $_ in stat at - line 5.
1267 Use of uninitialized value $_ in lstat at - line 6.
1268 Use of uninitialized value $m1 in stat at - line 7.
1269 Use of uninitialized value $g1 in lstat at - line 8.
1270 Use of uninitialized value $m1 in -R at - line 10.
1271 Use of uninitialized value $m1 in -W at - line 11.
1272 Use of uninitialized value $m1 in -X at - line 12.
1273 Use of uninitialized value $m1 in -r at - line 13.
1274 Use of uninitialized value $m1 in -w at - line 14.
1275 Use of uninitialized value $m1 in -x at - line 15.
1276 Use of uninitialized value $m1 in -e at - line 16.
1277 Use of uninitialized value $m1 in -o at - line 17.
1278 Use of uninitialized value $m1 in -O at - line 18.
1279 Use of uninitialized value $m1 in -z at - line 19.
1280 Use of uninitialized value $m1 in -s at - line 20.
1281 Use of uninitialized value $m1 in -M at - line 21.
1282 Use of uninitialized value $m1 in -A at - line 22.
1283 Use of uninitialized value $m1 in -C at - line 23.
1284 Use of uninitialized value $m1 in -S at - line 24.
1285 Use of uninitialized value $m1 in -c at - line 25.
1286 Use of uninitialized value $m1 in -b at - line 26.
1287 Use of uninitialized value $m1 in -f at - line 27.
1288 Use of uninitialized value $m1 in -d at - line 28.
1289 Use of uninitialized value $m1 in -p at - line 29.
1290 Use of uninitialized value $m1 in -l at - line 30.
1291 Use of uninitialized value $m1 in -u at - line 31.
1292 Use of uninitialized value $m1 in -g at - line 32.
1293 Use of uninitialized value $m1 in -t at - line 34.
1294 Use of uninitialized value $m1 in -T at - line 35.
1295 Use of uninitialized value $m1 in -B at - line 36.
1297 use warnings 'uninitialized';
1304 Use of uninitialized value $m1 in localtime at - line 5.
1305 Use of uninitialized value $g1 in gmtime at - line 6.
1307 use warnings 'uninitialized';
1312 $m2 = q($m1); $v = 1 + eval $m2;
1314 Use of uninitialized value $_ in eval "string" at - line 4.
1315 Use of uninitialized value $m1 in eval "string" at - line 5.
1316 Use of uninitialized value in addition (+) at - line 6.
1318 use warnings 'uninitialized';
1323 Use of uninitialized value $m1 in exit at - line 4.
1325 use warnings 'uninitialized';
1329 } elsif ($undef == 0) {
1332 Use of uninitialized value $undef in numeric eq (==) at - line 4.
1333 Use of uninitialized value $undef in numeric eq (==) at - line 5.
1335 # TODO long standing bug - more general variant of the above problem
1344 Use of uninitialized value $undef in addition (+) at - line 4.
1345 Use of uninitialized value $undef in addition (+) at - line 7.