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| author | Steve Peters <steve@fisharerojo.org> | 2006-05-11 00:09:53 +0000 |
|---|---|---|
| committer | Steve Peters <steve@fisharerojo.org> | 2006-05-11 00:09:53 +0000 |
| commit | 3039822776c822d43b60790fc6d383f78daf60de (patch) | |
| tree | 07126d1611cc21de61d53e6b791dc90451cc4472 /pod | |
| parent | f88ad25708e2ee09c318081130c8106f3d340846 (diff) | |
| download | perl-3039822776c822d43b60790fc6d383f78daf60de.tar.gz | |
Adding a mention of STDIN processing by qx// as requested by
RT #34288: perlop: qx/STRING/: mention STDIN
p4raw-id: //depot/perl@28156
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlop.pod | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pod/perlop.pod b/pod/perlop.pod index 442c313c84..4dffa4f1b5 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -1340,6 +1340,15 @@ when the program is done: system("program args 1>program.stdout 2>program.stderr"); +The STDIN filehandle used by the command is inherited from Perl's STDIN. +For example: + + open BLAM, "blam" || die "Can't open: $!"; + open STDIN, "<&BLAM"; + print `sort`; + +will print the sorted contents of the file "blam". + Using single-quote as a delimiter protects the command from Perl's double-quote interpolation, passing it on to the shell instead: |