bash: /home/cougarxr7/Perl/portscript333.pl: /usr/bin/perl^M: bad interpreter: No such file or directory.

That looks like you created the file with windows line ending. Try

> sudo apt-get install dos2unix
> dos2unix portscript333.pl
poj

In reply to Re^11: Querying program port by poj
in thread Querying program port by CougarXR7

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