http://www.perlmonks.org?node_id=1044781


in reply to Re: appending file name
in thread appending file name

no I have seen the warning so how can I do it ?

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Re^3: appending file name
by Anonymous Monk on Jul 17, 2013 at 10:25 UTC
    Add  use diagnostics; and it will print an explanation of what causes and how to fix the warning from perldiag