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Re^3: Un "tie"ing a "tie"

by dpuu (Chaplain)
on Apr 18, 2006 at 01:58 UTC ( #543975=note: print w/ replies, xml ) Need Help??


in reply to Re^2: Un "tie"ing a "tie"
in thread Un "tie"ing a "tie"

% perldoc -f open ... Here is a script that saves, redirects, and restores "STDOUT" and "STDERR" using various methods: #!/usr/bin/perl open my $oldout, ">&STDOUT" or die "Can't dup STDOUT: $!"; open OLDERR, ">&", \*STDERR or die "Can't dup STDERR: $!"; open STDOUT, '>', "foo.out" or die "Can't redirect STDOUT: $!"; open STDERR, ">&STDOUT" or die "Can't dup STDOUT: $!"; select STDERR; $| = 1; # make unbuffered select STDOUT; $| = 1; # make unbuffered print STDOUT "stdout 1\n"; # this works for print STDERR "stderr 1\n"; # subprocesses too open STDOUT, ">&", $oldout or die "Can't dup \$oldout: $!"; open STDERR, ">&OLDERR" or die "Can't dup OLDERR: $!"; print STDOUT "stdout 2\n"; print STDERR "stderr 2\n";
--Dave
Opinions my own; statements of fact may be in error.


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