in reply to Use of uninitialized value at?

one common idiom: defined $val or $val = ""; then $val is at least defined, and no warning appears.

HTH

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Re2: Use of uninitialized value at?
by blakem (Monsignor) on Oct 09, 2002 at 04:09 UTC
    Or, since we want to apply this rule to a list: 
    $_ = '' for grep !defined, @arr;

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    -Blake

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