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I just found a tutorial on manipulating files and directories and I got my answers. Thanks.

Sorry if I wasn't clear.
I need to create a folder and if there is any errors like permission errors I want to let the user know about it. However I don't wish to overwrite the folder if it already...

I'm trying to create a directory from my Perl script. Only if the there was an error I want to let the user know about it. So if the folder exists is ok.

This is what I think should work:
...

Thank you so much, now I'll be able to sleep at night. :)

I use a tcsh and I need to monitor a file that its constantly updating.

In the past I remember using less -(an option) fileName.
This option told less to keep listening to this file and output...