Or use the state keyword to declare a persistent lexical variable inside the loop that will not reset once it has been declared.

It is available in Perl 5.10 or later.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

My blog: Imperial Deltronics

In reply to Re: How to Save a variable outside of a loop by CountZero
in thread How to Save a variable outside of a loop by Calebros

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