Re: List expansion in a 'for in' control structure

[Chet Ramey]

Till Halbach wrote:

> The bash manual for the control structure 'for name [ in word ] ; do
> list  ; done' says:
> 'The list of words following in is expanded, generating a  list  of 
> items.' However, if no files are found, it is set equal to the query 
> string.

If you want filename expansion patterns which match no files to expand
to the null string rather than themselves, set the `nullglob' option
with `shopt -s nullglob'.

The word following `in' is expanded using the normal set of expansions.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
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Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/