> Does ksh93 have a function to handle variables like files? I'd like to
> output sub process data to a variable which should be updated for each
> further write from the child. foo=$(ls -l) sends all output after the
> child terminates but I'd like to run the child in the background and
> $foo always reflects the whole output up to the moment.
>
> Josh
No, but you can come somewhat close to what I think you are asking
for using discipline functions. For example,
function foo.set
{
eval "@" |&
}
function foo.get
{
.sh.value=$foo
while read -t.01 -r -p
do .sh.value+=$REPLY$'\n'
done
}
foo='ls -l'
print foo=$foo
print foo=$foo
David Korn
dgk at research.att.com
