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Re: empty lines at the end of quoted command subsitutions missing
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From: |
Chet Ramey |
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Subject: |
Re: empty lines at the end of quoted command subsitutions missing |
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Date: |
Sat, 24 Jul 2010 11:22:21 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.7) Gecko/20100111 Lightning/1.0b1 Thunderbird/3.0.1 |
On 7/24/10 3:23 AM, Andreas Schwab wrote:
> koenig@science-computing.de writes:
>
>> empty line(s) at the end of quoted command subsitutions are missing:
>
> That is not a bug, but a feature. Command subsitution generally strips
> trailing newlines from the output of the command. If you want the
> complete output use a pipe.
This is one of the reasons I added `printf -v' to supplement v=$(command).
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/