Re: for ... in ... do ignores escape characters

[Andreas Schwab]

"Dave Rutherford" <dave@evilpettingzoo.com> writes:

> Now note the difference between:
>
> $ for w in "`foo`"; do echo $w; done
> sony apple hewlett packard
>    and
> $ for w in `foo`; do echo "$w"; done
> sony
> apple
> hewlett
> packard
>    and
> $ for w in "`foo`"; do echo "$w"; done
> sony
> apple
> hewlett packard
>
> Why the first one does that I'm not sure, but it's the last one you want.

Both the first and the third example calls echo only once, but in the
first example the argument to echo is word splitted.  In the second
example the word splitting is done on the expansion of `foo`.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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