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Re: set -o notify spurious CR when jobs redirected to file


From: Piotr Grzybowski
Subject: Re: set -o notify spurious CR when jobs redirected to file
Date: Fri, 14 Nov 2014 10:26:56 +0100

hi,

 I do not think it is a bug; jobs.c:

1607    /* We need to add a CR only if this is an interactive shell, and
1608       we're reporting the status of a completed job asynchronously.
1609       We can't really check whether this particular job is being
1610       reported asynchronously, so just add the CR if the shell is
1611       currently interactive and asynchronous notification is enabled. */
1612    if (asynchronous_notification && interactive)
1613      fprintf (stream, "\r\n");
1614    else
1615      fprintf (stream, "\n");

cheers,
pg




On Thu, Nov 13, 2014 at 8:21 PM,  <address@hidden> wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: x86_64
> OS: linux-gnu
> Compiler: gcc
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' 
> -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-pc-linux-gnu' 
> -DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
> -DHAVE_CONFIG_H   -I.  -I../bash -I../bash/include -I../bash/lib  
> -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 
> -Wformat -Wformat-security -Werror=format-security -Wall
> uname output: Linux idallen-oak.home.idallen.ca 3.13.0-40-generic 
> #68~precise1-Ubuntu SMP Tue Nov 4 16:00:24 UTC 2014 x86_64 x86_64 x86_64 
> GNU/Linux
> Machine Type: x86_64-pc-linux-gnu
>
> Bash Version: 4.2
> Patch Level: 25
> Release Status: release
>
> Description:
>     Using "set -o notify" adds spurious CR to output of "jobs"
>     when output is redirected to a file (but not into a pipe).
>
> Repeat-By:
>
>     $ sleep 999 &
>     [1] 16386
>     $ set +o notify
>     $ jobs >out
>     $ file out
>     out: ASCII text
>     $ set -o notify
>     $ jobs >out
>     $ file out
>     out: ASCII text, with CRLF line terminators
>     $ od -c out
>     0000000   [   1   ]   +           R   u   n   n   i   n   g
>     0000020                                                           s   l
>     0000040   e   e   p       9   9   9       &  \r  \n
>     0000053
>     $ jobs | od -c
>     0000000   [   1   ]   +           R   u   n   n   i   n   g
>     0000020                                                           s   l
>     0000040   e   e   p       9   9   9       &  \n
>     0000052
>
>



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