On Thu, Jan 18, 2001 at 10:34:30PM -0500, Statux wrote:
> This is correct behavior (from what I've known). The variables in the loop
> are defined as temporary variables.. they have scope limited to the loop.
Not all loops:
num=0
#cat tmp | while read line ; do
while [ $num -eq 0 ]; do
num=1
echo $num
done
echo $num
#--- eof %
[hal@feenix hal]$ testing
1
1
It has something to do with that 'cat'. I just can't think of a
logical reason why.
> > num=0
> > echo 1 > tmp
> >
> > cat tmp |while read line ; do
> >
> > num=1
> > echo $num
> >
> > done
> >
> > echo $num
> >
> >
> > #--- eof testing
> >
> > [hal@feenix hal]$ testing
> > 1
> > 0
bash 1.14 is the same.
--
Hal B
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