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17 lines
370 B
Perl
17 lines
370 B
Perl
#!/usr/local/bin/perl
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pipe (INPUT, OUTPUT);
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$retval = fork();
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if ($retval != 0) {
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# this is the parent process
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close (INPUT);
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print ("Enter a line of input:\n");
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$line = <STDIN>;
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print OUTPUT ($line);
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} else {
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# this is the child process
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close (OUTPUT);
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$line = <INPUT>;
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print ($line);
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exit (0);
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} |