On Tuesday 20 July 2004 14:20, Alex Popa wrote:
> On Tue, Jul 20, 2004 at 02:11:02PM +0300, Mihai Gheorghe wrote:
> > stie cineva de ce nu pot folosi expr cu stringuri (asa cum merge pe
> > orice linux)?
> >
> > #!/bin/sh
> >
> > b="jk adsf"
> > x=`expr length $b`
> > echo $x
> > __________________
> >
> > la length problema e simpla deoarece pot inlocui cu x=${#b}, dar
> > cum pot inlocui "expr index" ???
>
> Incearca x=`expr length "$b"`
>
> Subliniez ghilimelele.
>
> Alex
Se pare ca implementarea expr din freebsd nu are length. Ar merge
folosit awk:
index(s, t) returns the index of the string t in the string
s, or 0 if t is not present.
length([s]) returns the length of the string s, or the
length of $0 if s is not supplied.
--
Serghei.
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