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1 | #!./perl |
2 | |
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3 | # $RCSfile: pipe.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:31 $ |
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4 | |
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5 | BEGIN { |
6 | chdir 't' if -d 't'; |
7 | @INC = '../lib'; |
8 | require Config; import Config; |
9 | unless ($Config{'d_fork'}) { |
10 | print "1..0\n"; |
11 | exit 0; |
12 | } |
13 | } |
14 | |
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15 | $| = 1; |
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16 | print "1..8\n"; |
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17 | |
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18 | open(PIPE, "|-") || (exec 'tr', 'YX', 'ko'); |
19 | print PIPE "Xk 1\n"; |
20 | print PIPE "oY 2\n"; |
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21 | close PIPE; |
22 | |
23 | if (open(PIPE, "-|")) { |
24 | while(<PIPE>) { |
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25 | s/^not //; |
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26 | print; |
27 | } |
28 | } |
29 | else { |
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30 | print STDOUT "not ok 3\n"; |
31 | exec 'echo', 'not ok 4'; |
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32 | } |
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33 | |
34 | pipe(READER,WRITER) || die "Can't open pipe"; |
35 | |
36 | if ($pid = fork) { |
37 | close WRITER; |
38 | while(<READER>) { |
39 | s/^not //; |
40 | y/A-Z/a-z/; |
41 | print; |
42 | } |
43 | } |
44 | else { |
45 | die "Couldn't fork" unless defined $pid; |
46 | close READER; |
47 | print WRITER "not ok 5\n"; |
48 | open(STDOUT,">&WRITER") || die "Can't dup WRITER to STDOUT"; |
49 | close WRITER; |
50 | exec 'echo', 'not ok 6'; |
51 | } |
52 | |
53 | |
54 | pipe(READER,WRITER) || die "Can't open pipe"; |
55 | close READER; |
56 | |
57 | $SIG{'PIPE'} = 'broken_pipe'; |
58 | |
59 | sub broken_pipe { |
60 | print "ok 7\n"; |
61 | } |
62 | |
63 | print WRITER "not ok 7\n"; |
64 | close WRITER; |
65 | |
66 | print "ok 8\n"; |