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Date:	Tue, 28 Nov 2006 16:04:49 -0500
From:	Michael Adler <mad2 AT tapil DOT com>
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To:	Yitzchak Scott-Thoennes <sthoenna AT efn DOT org>
CC:	cygwin AT cygwin DOT com
Subject:	Re: Perl output dropped when invoking itself
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Yitzchak Scott-Thoennes wrote:
> On Tue, Nov 14, 2006 at 12:09:49PM -0500, Michael Adler wrote:
>   
>> I'm having Perl I/O problems on one machine that keep me from getting 
>> CPAN installations to work.  On this machine if I execte:
>>
>>    perl -e 'print `perl -e "require 5; print qq{VER_OK\n}"`;'
>>
>> from bash there is no output.  On all my other machines it prints 
>> VER_OK.  ExtUtils::MM_Unix does this test and fails.
>>
>> I've looked at all environment variables I can think of, especially 
>> CYGWIN, and it is identical on a machine that works and one that fails.  
>> Cygwin is up to date on both and Perl version is 5.8.7.  I've tried 
>> multiple values of the PERLIO variable with no success.  Replacing the 
>> inner invocation of perl with some other command, like cat of a file, 
>> works on both machines!  I tried blowing away the entire perl 
>> environment and reinstalling. 
>>
>> I assume I'm missing something simple.  Hints would be appreciated.
>>     
>
> What do these do:
>    perl -e 'print `perl -v`'
>    perl -e 'print `perl -f -e "require 5; print qq{VER_OK\n}"`;'
>    perl -e 'print `perl -f -e "print qq{VER_OK\n}"`;'
>   
Thank you for the reply.  I did finally figure it out.  Some 
post-install script had apparently failed in the past and /bin/sh was 
old -- it wasn't bash.

-Michael

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