On Mon, Apr 21, 2008 at 10:06:10AM +0200, Andreas Schwab wrote:
> Dmitry V. Levin writes:
>
> > I wonder whether such difference in parameter expansion is valid:
> >
> > $ env -i sh -c 'fun() { echo "[${*#foo }]"; }; fun foo bar'
> > [foo bar]
> > $ env -i sh -c 'fun() { echo "[${*#foo}]"; }; fun foo bar'
> > [ bar]
>
> Works as documented:
>
> `${PARAMETER#WORD}'
> `${PARAMETER##WORD}'
> The WORD is expanded to produce a pattern just as in filename
> expansion (*note Filename Expansion::). If the pattern matches
> the beginning of the expanded value of PARAMETER, then the result
> of the expansion is the expanded value of PARAMETER with the
> shortest matching pattern (the `#' case) or the longest matching
> pattern (the `##' case) deleted. If PARAMETER is `@' or `*', the
> ^^^^^^^^^^^^^^^^^^^^^^^^^^
> pattern removal operation is applied to each positional parameter
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> in turn, and the expansion is the resultant list.Ouch, one more documented incompatibility between bash and dash. -- ldv
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