The [[ ]] operators are for compound tests, the [ ] operator is for simple
tests. In ksh newer than 6/3/86 the [[ ]] makes the [ ] obsolete.
Example of [[ ]]:
[[ foo > bar && $PWD -ef . ]] && print foobar
foobar
That is from the kornshell book co-written by David Korn.
By the way, I use ksh
In the last episode (Sep 25), Arindam said:
> I know csh is the shell of choice on FreeBSD. But I have this question
> on Korn Shell and it would be great if somebody could explain.
>
> Can someone tell me a little more about the Korn Shell [[ ... ]]
> double-brackets construct used for comparing
I know csh is the shell of choice on FreeBSD. But I have this question
on Korn Shell and it would be great if somebody could explain.
Can someone tell me a little more about the Korn Shell [[ ... ]]
double-brackets construct used for comparing string expressions. How
does it differe from the stan
