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Re: bug in patterns used for filename expansion (e.g. a[b/c]d)
- X-seq: zsh-workers 23932
- From: Vincent Lefevre <vincent@xxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxx
- Subject: Re: bug in patterns used for filename expansion (e.g. a[b/c]d)
- Date: Tue, 9 Oct 2007 18:00:58 +0200
- In-reply-to: <071009082413.ZM26445@xxxxxxxxxxxxxxxxxxxxxx>
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- References: <20071009124055.GH22340@xxxxxxxxxxxxxxxxxxx> <200710091259.l99Cxifg025637@xxxxxxxxxxxxxx> <20071009141239.GA10216@xxxxxxxxxxxxxxxxxxx> <071009082413.ZM26445@xxxxxxxxxxxxxxxxxxxxxx>
On 2007-10-09 08:24:13 -0700, Bart Schaefer wrote:
> That said, the thing zsh-as-ksh is most like is ksh88.
I think that the manual should say that, because it seems that the
provided AT&T ksh is generally ksh93 (e.g. under Debian and Mac OS X).
>
> } vin:~> ksh --version
> } zsh 4.3.4 (i686-pc-linux-gnu)
> } vin:~> ksh
> } $ ls a[b/*
> } ls: a[b/*: No such file or directory
> }
> } vin:~> ksh93
> } $ ls a[b/*
> } > ksh93: syntax error: `[' unmatched
>
> This is exactly the difference between bash and ksh as mentioned on
> the austin-group, is it not?
No, Geoff Clare said in the austin-group is:
$ ls a[b/*
a[b/file
in both cases. This is also what I obtain with AT&T ksh93 under Mac OS X.
So, only zsh, when run as ksh, is different. Is this a bug in zsh or does
ksh88 behave like that? (I don't have ksh88, so I can't test.)
> } vin:~> ksh -c 'ls a[b/*'
> } ls: a[b/*: No such file or directory
> } vin:~> ksh93 -c 'ls a[b/*'
> } ls: a[b/*[: No such file or directory
>
> Where'd that extra '[' come from? I'd say this is a ksh bug.
Yes, this is strange and ksh93 under Mac OS X behaves differently, so
I assume that this is a bug in Debian's ksh package.
>
> } vin:~> touch 'a[b/*'
> } vin:~> ksh93 -c 'ls a[b/*'
> } ls: a[b/*[: No such file or directory
> } vin:~> ksh -c 'ls a[b/*'
> } a[b/*
>
> Again modulo the extra-bracket bug, this is the bash v. ksh thing.
No:
vin:~> ll a\[b
-rw-r--r-- 1 vlefevre vlefevre 0 2007-10-09 16:10:36 *
-rw-r--r-- 1 vlefevre vlefevre 0 2007-10-09 16:25:17 *[
-rw-r--r-- 1 vlefevre vlefevre 0 2007-10-09 16:04:18 file
vin:~> bash -c 'ls a[b/*'
a[b/* a[b/*[ a[b/file
and with ksh from Mac OS X (sh (AT&T Labs Research) 1993-12-28 p),
I get the same behavior, while zsh gives:
vin:~> ksh -c 'ls a[b/*'
a[b/*
--
Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)
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