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Re: gl_ABSOLUTE_HEADER_ONE and older seds
From: |
Bruno Haible |
Subject: |
Re: gl_ABSOLUTE_HEADER_ONE and older seds |
Date: |
Fri, 14 Oct 2011 01:51:35 +0200 |
User-agent: |
KMail/1.13.6 (Linux/2.6.37.6-0.5-desktop; KDE/4.6.0; x86_64; ; ) |
Paul Eggert wrote:
> diff --git a/m4/absolute-header.m4 b/m4/absolute-header.m4
> index b7276a3..031bc21 100644
> --- a/m4/absolute-header.m4
> +++ b/m4/absolute-header.m4
> @@ -81,12 +81,12 @@ changequote(,)
> gl_dirsep_regex='/'
> ;;
> esac
> - gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'$1|{
> + gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'$1|!d
> s|.*"\(.*'"${gl_dirsep_regex}"'$1\)".*|\1|
> s|^/[^/]|//&|
> p
> q
> - }'
> + '
This patch is working like the current code:
$ { echo foobar ; echo '#line 1 "/usr/include/foo/stdio.h"'; echo blabla; echo
'#line 22 "/usr/include/foo/stdio.h"'; echo '#line 1
"/usr/include/foo/stdlib.h"'; } > in
$ sed -n -e '\|/stdio.h|{
s|.*"\(.*/stdio.h\)".*|\1|
s|^/[^/]|//&|
p
q
}' < in
///usr/include/foo/stdio.h
$ sed -n -e '\|/stdio.h|!d
s|.*"\(.*/stdio.h\)".*|\1|
s|^/[^/]|//&|
p
q' < in
///usr/include/foo/stdio.h
But it does not help for the NeXTstep case, where sed chokes on any
regex delimiter that is not a slash. So what's the point? Just to avoid
a group of commands? That is not what Daniel's 'sed' is having a problem
with.
Bruno
--
In memoriam Bekir Çoban-zade <http://en.wikipedia.org/wiki/Bekir_Çoban-zade>
- Re: gl_ABSOLUTE_HEADER_ONE and older seds, Bruno Haible, 2011/10/13
- Re: gl_ABSOLUTE_HEADER_ONE and older seds, Daniel Richard G., 2011/10/13
- Re: gl_ABSOLUTE_HEADER_ONE and older seds, Bruno Haible, 2011/10/13
- Re: gl_ABSOLUTE_HEADER_ONE and older seds, Daniel Richard G., 2011/10/14
- Re: porting to NeXTstep, Bruno Haible, 2011/10/14
- Re: porting to NeXTstep, Daniel Richard G., 2011/10/15
- Re: perror.m4 test, Bruno Haible, 2011/10/15
- Re: perror.m4 test, Eric Blake, 2011/10/15
- Re: perror.m4 test, Bruno Haible, 2011/10/22
- Preserving non-alphanumeric characters in git commits [was Re: porting to NeXTstep], Gary V. Vaughan, 2011/10/15