don't really need the sub on the outside as it doesn't really provide any extra protection that I know of

It prevents the code from being executed. Except, of course, for BEGIN blocks and use statements (which also execute when you use the -c (compile only) option to perl).

In reply to Re^3: howto parse (or determining end) of a line of perl by RonW
in thread howto parse (or determining end) of a line of perl by perl-diddler

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