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Re: Confusion with two-way pipes

by integral (Hermit)
on Feb 18, 2003 at 09:24 UTC ( #236217=note: print w/replies, xml ) Need Help??


in reply to Confusion with two-way pipes

There is the IPC::Open2 (and the Open3) module in core to make this more painless, but if you're going to write the output of the process to stdout or another file you could use a simple piped open like this:
open PIPE, "|program >$file"; print PIPE "testing. output will go to $file, since perl will pass th +e command line though the shell\n";

--
integral, resident of freenode's #perl

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[shmem]: well, previous to that << was always treated as the left-shift operator
[Eily]: or the here-doc operator
[Eily]: which is actually how it is parsed in this case
[shmem]: older versions of perl can't guess that "use of <<>> may be implemented someday" :D
Discipulus how much wise my brothers are? ;=)
[karlgoethebier]: thanks ;-
[karlgoethebier]: ...to all for reading the manuals

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