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1 | #!./perl |
2 | |
79072805 |
3 | # $RCSfile: substr.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:31 $ |
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4 | |
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5 | print "1..22\n"; |
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6 | |
7 | $a = 'abcdefxyz'; |
8 | |
9 | print (substr($a,0,3) eq 'abc' ? "ok 1\n" : "not ok 1\n"); |
10 | print (substr($a,3,3) eq 'def' ? "ok 2\n" : "not ok 2\n"); |
11 | print (substr($a,6,999) eq 'xyz' ? "ok 3\n" : "not ok 3\n"); |
12 | print (substr($a,999,999) eq '' ? "ok 4\n" : "not ok 4\n"); |
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13 | print (substr($a,0,-6) eq 'abc' ? "ok 5\n" : "not ok 5\n"); |
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14 | print (substr($a,-3,1) eq 'x' ? "ok 6\n" : "not ok 6\n"); |
15 | |
16 | $[ = 1; |
17 | |
18 | print (substr($a,1,3) eq 'abc' ? "ok 7\n" : "not ok 7\n"); |
19 | print (substr($a,4,3) eq 'def' ? "ok 8\n" : "not ok 8\n"); |
20 | print (substr($a,7,999) eq 'xyz' ? "ok 9\n" : "not ok 9\n"); |
21 | print (substr($a,999,999) eq '' ? "ok 10\n" : "not ok 10\n"); |
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22 | print (substr($a,1,-6) eq 'abc' ? "ok 11\n" : "not ok 11\n"); |
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23 | print (substr($a,-3,1) eq 'x' ? "ok 12\n" : "not ok 12\n"); |
24 | |
25 | $[ = 0; |
26 | |
27 | substr($a,3,3) = 'XYZ'; |
28 | print $a eq 'abcXYZxyz' ? "ok 13\n" : "not ok 13\n"; |
29 | substr($a,0,2) = ''; |
30 | print $a eq 'cXYZxyz' ? "ok 14\n" : "not ok 14\n"; |
31 | y/a/a/; |
32 | substr($a,0,0) = 'ab'; |
33 | print $a eq 'abcXYZxyz' ? "ok 15\n" : "not ok 15 $a\n"; |
34 | substr($a,0,0) = '12345678'; |
35 | print $a eq '12345678abcXYZxyz' ? "ok 16\n" : "not ok 16\n"; |
36 | substr($a,-3,3) = 'def'; |
37 | print $a eq '12345678abcXYZdef' ? "ok 17\n" : "not ok 17\n"; |
38 | substr($a,-3,3) = '<'; |
39 | print $a eq '12345678abcXYZ<' ? "ok 18\n" : "not ok 18\n"; |
40 | substr($a,-1,1) = '12345678'; |
41 | print $a eq '12345678abcXYZ12345678' ? "ok 19\n" : "not ok 19\n"; |
42 | |
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43 | $a = 'abcdefxyz'; |
44 | |
45 | print (substr($a,6) eq 'xyz' ? "ok 20\n" : "not ok 20\n"); |
46 | print (substr($a,-3) eq 'xyz' ? "ok 21\n" : "not ok 21\n"); |
47 | print (substr($a,999) eq '' ? "ok 22\n" : "not ok 22\n"); |