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author | Herbert Xu <herbert@gondor.apana.org.au> | 2008-07-13 19:20:10 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-07-13 19:20:10 +0800 |
commit | 4df1e776cd079357f877f0d491a80a234f670452 (patch) | |
tree | 43ffff6e67db84fd7759dc3908fb34cce2507612 /src/alias.h | |
parent | [EXPAND] Fixed non-leading slash treatment in expmeta (diff) | |
download | dash-4df1e776cd079357f877f0d491a80a234f670452.tar.gz dash-4df1e776cd079357f877f0d491a80a234f670452.zip |
[BUILTIN] Fixed 3,4-argument cases for test per POSIX
----- Forwarded message from Gerrit Pape <pape@smarden.org> ----- Subject: Bug#455828: dash: 4-argument test "test \( ! -e \)" yields an error Date: Fri, 28 Dec 2007 08:53:29 +0000 From: Gerrit Pape <pape@smarden.org> To: Vincent Lefevre <vincent@vinc17.org>, 455828@bugs.debian.org On Thu, Dec 27, 2007 at 06:23:20PM +0100, Vincent Lefevre wrote: > On 2007-12-27 16:00:06 +0000, Gerrit Pape wrote: > > On Wed, Dec 12, 2007 at 02:18:47AM +0100, Vincent Lefevre wrote: > > > According to POSIX[*], "test \( ! -e \)" is a 4-argument test and is > > > here equivalent to "test ! -e". But dash (like ksh93 and bash) yields > > > an error: > > > > > > $ test \( ! -e \) || echo $? > > > test: 1: closing paren expected > > > 2 > > > $ test ! -e || echo $? > > > 1 > > > > Hi Vincent, > > > > the -e switch to test takes an argument, a pathname. > > According to POSIX, in both above examples, "-e" is *not* a switch, > just a string. > > test \( ! -e \) > > means: return true if the string "-e" is empty, otherwhise return false. > The error in dash is that it incorrectly thinks that "-e" is a switch in > this context. I see, you're right. Thanks, Gerrit. ----- End forwarded message ----- This patch hard-codes the 3,4-argument cases in the way required by POSIX. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'src/alias.h')
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