Monks posting code and expecting all several hundred of us readers to run that code in order to learn from it is becoming a pet peeve of mine. The above code produces (when warnings are turned on): 

Before: '
'

Use of uninitialized value in concatenation (.) at localundef.pl line 
+6.
After: ''

[download]
So now you can understand the problem rather than just that there is some problem just by reading.

        - tye (but my friends call me "Tye")

In reply to (tye)Re: Why or why not? - local undef $/ by tye
in thread Why or why not? - local undef $/ by TGI

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