I have to agree, more info is needed, can you post us up some of your script? Usually if you want STDIN to read your input from the keyboard, you could syntax it something like this:

print "What do you want to break today?: ";
chomp( $command = <STDIN> );
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Just as a crude example. Can we please see some code?

-- Yes, I am a criminal. My crime is that of defyance.