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Re: $IFS and "address@hidden:offset}"


From: Andreas Schwab
Subject: Re: $IFS and "address@hidden:offset}"
Date: Fri, 06 Jun 2008 10:38:41 +0200
User-agent: Gnus/5.110009 (No Gnus v0.9) Emacs/22.2 (gnu/linux)

Stephane Chazelas <address@hidden> writes:

> The behavior is the same in ksh, but in ksh ${@:0:1} expands to
> $0 which makes it more understandable ($0 has its meaning in
> functions as well in ksh which makes it somehow consistent).
>
> In bash, ${@:0:1} and ${@:1:1} expand to the same thing ($1). Is
> all that documented (I couldn't find it via a quick scan of the
> man page)?

$@ expands to the positional parameters, which $0 is not (it is a
special parameter).  Since index 0 does not exist, $1 is the first
counted parameter in the expansion.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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