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Re: bash test: lastpipe.tests failed
From: |
Chet Ramey |
Subject: |
Re: bash test: lastpipe.tests failed |
Date: |
Fri, 12 Aug 2016 09:02:23 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
On 8/12/16 4:14 AM, dengke.du@windriver.com wrote:
> I used the strace tool to follow it. I touch a file named lastpipe just
> contain:
>
> shopt -s lastpipe
> exit 142 | false
>
> run command:)$ ./bash --version
OK.
$ ./bash --version
GNU bash, version 4.3.46(3)-release (x86_64-unknown-linux-gnu)
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
$ cat x1
shopt -s lastpipe
exit 142 | false
echo ${PIPESTATUS[@]}
$ ./bash ./x1
142 1
$ uname -a
Linux chet-mail 2.6.32-642.1.1.el6.x86_64 #1 SMP Fri May 6 14:54:05 EDT
2016 x86_64 x86_64 x86_64 GNU/Linux
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/