You need to give a little more information. What kinds of error messages are you getting? What does the output look like?

Here are some suggestions, though:

When you open files, always use error handling: 
open (FILE, "file.txt") or die "Can't open file: $!";

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You are wasting a ton of memory by loading the files into arrays completely. instead, use a loop like this: 
while (<FILE>)
   {
   #put stuff in the hash here
   }

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Then, as soon as you are done with a file, it is good practice to close it.

Those lines that define the keyhash aren't doing what you expect. They are just adding erroneous elements to keyhash. Perl will automatically add whatever you tell it to, there's no need to tell it what to expect.

Don't use for to loop through an array. Use foreach. While for will work the same most of the time, it can bite you.

You should probably read the perlref and perllol man pages to learn how to use complex data structures. While you're almost there, you make some errors. For example, 
$hashref{$_}{CSV};
should be
${$hashref{$_}}{CSV};

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I know this can get confusing, I've messed it up plenty of times myself.



When's the last time you used duct tape on a duct? --Larry Wall

In reply to Re: still confused! by ColonelPanic
in thread still confused! by Anonymous Monk

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