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authorHerbert Xu <herbert@gondor.apana.org.au>2010-03-09 12:58:24 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2010-03-09 12:58:24 +0800
commit09363426739388813a53d63716d15163f6c43caf (patch)
tree8ae9ab45c21f0858ef10de584558c005ac87af61 /ChangeLog
parent[ARITH] Fix binary operator parsing (diff)
downloaddash-09363426739388813a53d63716d15163f6c43caf.tar.gz
dash-09363426739388813a53d63716d15163f6c43caf.zip
[REDIR] Do not truncate file for FROMTO redirection
On Tue, Jun 23, 2009 at 10:06:30AM +0000, Nikola Vladov wrote:
> May be this is a bug:
>
> echo XX > uu
> cat <> uu
>
> dash truncates file uu.  The open flag O_TRUNC must be removed.
> I'm not 100% shure what POSIX say about: program <> file

Indeed, this is a bug we inherited from NetBSD.  This patch removes
the O_TRUNC flag for FROMTO.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@@ -45,6 +45,10 @@
 
 	* Honor tab as IFS whitespace when splitting fields in readcmd.
 
+2009-06-30  Herbert Xu <herbert@gondor.apana.org.au>
+
+	* Do not truncate file for FROMTO redirection.
+
 2009-06-27  Herbert Xu <herbert@gondor.apana.org.au>
 
 	* Fix quoted pattern patch breakage.