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Posted by Martijn Lievaart on June 6, 2008, 3:13 am
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On Wed, 04 Jun 2008 20:00:02 -0700, bukzor wrote:
> Here's what I'd like to do (unwise as it is) in a perl script:
>
> 1. pipe a perl script into a perl subprocess and capture the output into
> a file (easy)
> 2. change the output of the perl subprocess to another file (also easy:
> just pipe in an open(STDOUT, ">$file")) 3. Take the output of #1 and
> pipe that into the perl subprocess.
>
> The problem is that perl waits for an end-of-file before starting
> execution, so the output of #1 is not ready by the time I get to #3. The
> main point of this is to preserve all the variables in perl's memory on
> the second pass, so closing perl is not an option.
>
> Is there a way to force perl to start executing before it gets to EOF? I
> guesss I'm basically asking for an interactive mode...
Your requirements are totaly unclear to me, but I guess you should start
with reading perldoc perlipc, especially the section "talking to
yourself".
HTH,
M4
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