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RE: Problems with 'expr'
- To: "'jens at uniweb dot se'" <jens at uniweb dot se>
- Subject: RE: Problems with 'expr'
- From: "Fleischer, Karsten (K.)" <kfleisc1 at ford dot com>
- Date: Thu, 21 Sep 2000 09:48:02 -0400
- Cc: "Cygwin (E-mail)" <cygwin at sourceware dot cygnus dot com>
Hi Jens,
Use quotes around * and (, like
expr 3 '*' 4
Otherwise bash will expand * to all the files in the current dir.
( has special meaning to bash, too.
expr '3 * 4'
on the other hand, is evaluated to the string "3 * 4"
See bash's manpage.
Karsten
> -----Original Message-----
> From: jens@uniweb.se [mailto:jens@uniweb.se]
> Sent: Donnerstag, 21. September 2000 14:32
> To: cygwin@sources.redhat.com
> Subject: Problems with 'expr'
>
>
> Hi,
>
> I tried to use 'expr'. And it worked fine for this
> 'expr 1 + 2 + 3'. But if I try to use '(' or '*' it
> will print 'expr: syntax error'. Shouldn't the
> following work? 'expr 3 * 4'?
>
> Jens Yllman
>
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