* [EMAIL PROTECTED]
>
> IFS=':'
> cat /etc/passwd | while read a b c d
> do
> if [[ "$a" == "root" ]]
> then
> export NAME="$c"
> fi
> done
>
> - in ksh this will export NAME into your current env, but not in
> bash. The explanation, I understand, is that when you start a pipeline
> in ksh, the last command in the pipeline (here: where ...) runs in the
> current shell, but in bash all the commands in a pipeline run in a
> subshell.
This does not work in ksh on my RedHat 8.0. Neither shell do what you
say.
>
> As I said this is only a minor annoyment, but it does mean that in
> bash you have to use an intermediate file:
>
> IFS=':'
> cat /etc/passwd > tempfile
> while read a b c d
> do
> if [[ "$a" == "root" ]]
> then
> export NAME="$c"
> fi
> done < tempfile
> rm tempfile
Ah no. You do it like this:
NAME=`IFS=':'
cat /etc/passwd | while read a b c d; do
if [[ "$a" == "root" ]]; then
echo $c
fi
done`
--
Jon Haugsand, [EMAIL PROTECTED]
http://www.norges-bank.no
--
redhat-list mailing list
unsubscribe mailto:[EMAIL PROTECTED]?subject=unsubscribe
https://listman.redhat.com/mailman/listinfo/redhat-list
