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I cant send $c because in the other 500 locations that SumSub is called it already uses %c. If I would have written the code I would have referenced the Hash passing $c. But I have to use what is already there.
It's not quite clear how this sub is already being called, but you could use pop/shift as defined here: http://search.cpan.org/~nwclark/perl...erl_Functions,
the only problem is knowing when to do this and when not, if the current 500 calls do not pass the last param value ...
Possibly check if scalar(@_) is odd or even...