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Subject: Re: Setting a bash variable from backtick operator fails
To: cygwin AT cygwin DOT com
References: <29d3fea9-89e2-0eab-8bba-486b25fa875b AT deathwyrm DOT com> <574336209 DOT 20180227174741 AT yandex DOT ru>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <620c0401-4e1d-6008-0a54-ae4fa38388c7@gmail.com>
Date: Tue, 27 Feb 2018 16:39:38 +0100
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On 27/02/2018 15:47, Andrey Repin wrote:
> Greetings, Numien!
> 
>> While working on diagnosing an issue with autotools, I found Cygwin's
>> bash seems to not be able to set a variable from backtick substitution,
>> at least on my system (Cygwin x86_64, updated today, on Win10)
> 
> 
>> On a Linux system it works as expected:
> 
>> $ test=`echo "x86_64-pc-cygwin" | sed 's/-[^-]*$//'`; echo $test
> 
>> x86_64-pc
> 
> 
>> On a Cygwin system it doesn't:
> 
>> $ test=`echo "x86_64-pc-cygwin" | sed 's/-[^-]*$//'`; echo $test
> 
>> (no output)
> 
> I'm unable to reproduce it here.

it works also for me

>> This also happens in scripts (where I originally encountered the
>> problem), not just on the command line.
> 
>> Directly outputting it (echo `echo "x86_64-pc-cygwin" | sed
>> 's/-[^-]*$//'`) works fine, it seems to be specifically related to
>> setting a variable.
> 
>> Any suggestions?
> 
> Any BLODA?


likely. Someone just had similar problem with sed invocation

https://stackoverflow.com/questions/48927435/cygwin-command-substitution-not-working


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