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According to Eric Blake on 9/30/2009 5:20 AM:
> According to Ralf Wildenhues on 9/29/2009 11:49 PM:
>> I think we should document AS_DIRNAME, not doing so was probably an
>> omission, esp. since it is mentioned a couple of times in the manual.
>
> At one point it was documented. Then later, we pulled the documentation,
> since the interface is less than ideal (it doesn't handle trailing
> newlines, although those are rare); a better interface would start
> searching for shells that support the POSIX feature of ${var%/*}, so we
> don't even have to fork to implement this on decent machines.
Well, I haven't improved the implementation for 2.65; that will have to be
a later release. But I have restored the documentation (sorry that it
took me a month).
- --
Don't work too hard, make some time for fun as well!
Eric Blake ebb9@xxxxxxx
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>From 9d6e4a750dff8023e03ee30277bfa9016e9cd523 Mon Sep 17 00:00:00 2001
From: Eric Blake <ebb9@xxxxxxx>
Date: Wed, 4 Nov 2009 19:44:38 -0700
Subject: [PATCH] Redocument AS_DIRNAME, even with its flaws.
* doc/autoconf.texi (Common Shell Constructs) <AS_DIRNAME>:
Restore documenatation, since dirname mentions it.
Reported by Peter Johansson.
Signed-off-by: Eric Blake <ebb9@xxxxxxx>
---
ChangeLog | 5 +++++
doc/autoconf.texi | 5 +++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index e216f92..4d028c0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2009-11-04 Eric Blake <ebb9@xxxxxxx>
+ Redocument AS_DIRNAME, even with its flaws.
+ * doc/autoconf.texi (Common Shell Constructs) <AS_DIRNAME>:
+ Restore documenatation, since dirname mentions it.
+ Reported by Peter Johansson.
+
Update upstream files.
* build-aux/announce-gen: Synchronize from upstream.
* build-aux/config.guess: Likewise.
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 7ca8771..0177831 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -12964,14 +12964,15 @@ Common Shell Constructs
@end defmac
@c Deprecated, to be replaced by a better API
-@ignore
@defmac AS_DIRNAME (@var{file-name})
@asindex{DIRNAME}
Output the directory portion of @var{file-name}. For example,
if @code{$file} is @samp{/one/two/three}, the command
@code{dir=`AS_DIRNAME(["$file"])`} sets @code{dir} to @samp{/one/two}.
+
+This interface may be improved in the future to avoid forks and losing
+trailing newlines.
@end defmac
-@end ignore
@defmac AS_ECHO (@var{word})
@asindex{ECHO}
--
1.6.5.rc1
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