in reply to Most Annoying Error : Use of uninitialized value in concatenation (.) or string at C:\Perl\O

Do you perhaps have a blank line at the end of your input file so that for the last itteration of your loop you get undef for all the field entries?

Perl is Huffman encoded by design.
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Re^2: Most Annoying Error : Use of uninitialized value in concatenation (.) or string at C:\Perl\O
by Anonymous Monk on Mar 18, 2012 at 12:24 UTC
    "there is a blank line in the end of input file" this is the exact reason for this kind of warning.
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