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#!./perl
# $RCSfile: pipe.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:31 $
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require Config; import Config;
unless ($Config{'d_fork'}) {
print "1..0\n";
exit 0;
}
}
$| = 1;
print "1..8\n";
open(PIPE, "|-") || (exec 'tr', 'YX', 'ko');
print PIPE "Xk 1\n";
print PIPE "oY 2\n";
close PIPE;
if (open(PIPE, "-|")) {
while(<PIPE>) {
s/^not //;
print;
}
}
else {
print STDOUT "not ok 3\n";
exec 'echo', 'not ok 4';
}
pipe(READER,WRITER) || die "Can't open pipe";
if ($pid = fork) {
close WRITER;
while(<READER>) {
s/^not //;
y/A-Z/a-z/;
print;
}
}
else {
die "Couldn't fork" unless defined $pid;
close READER;
print WRITER "not ok 5\n";
open(STDOUT,">&WRITER") || die "Can't dup WRITER to STDOUT";
close WRITER;
exec 'echo', 'not ok 6';
}
pipe(READER,WRITER) || die "Can't open pipe";
close READER;
$SIG{'PIPE'} = 'broken_pipe';
sub broken_pipe {
print "ok 7\n";
}
print WRITER "not ok 7\n";
close WRITER;
print "ok 8\n";
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