in reply to Re^2: one line for combining line
in thread one line for combining line

Fetching a non-existent hash element returns undef. Is that what you meant? There's no autovivification. The hash elements are created when ++ assigns a value to them.

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Re^4: one line for combining line
by xiaoyafeng (Deacon) on Jul 06, 2010 at 05:52 UTC
    gocha!




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