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Yes, i did!
Thanks for replay: now i understand!

When I do "set -n" or "set -o noexec" the shell doesn't do what it sould.
Infact if I check:

$: set -o

....
noexec off
....

f

...instead I can set normally the other option.
...

Thanks very clear!

Look my code dose preciselly what I intended to do:
The repetition of 10 time is for testing porpouse.

It was just an experiment.
It was something like a tee command where each argument was...

I was looking for samething more compact than this:

$: a=`ls`
$: declare -i num=0
$: for x in $a; do num=$num+1; echo "$num ..... $x"; echo "$num $x">fl_tmp; done

And jump in my mind...

I just have started studying perl and I can not figure out what is the exact strategy used in the following script to handle events.

Precisely, what I do not understand is if the loop that is in...