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Then the only practical solution is to switch off autovivification. But take care to do it only in a limited scope because many other modules may still need it and could break unexpectedly if it is switched off.;
It is probably more safe to do a no autovivification 'exists'; as this turns off autovivification for dereferencing expressions that are parts of an exists only, such as : and then make sure you change your tests to include the exists function. 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 DeltronicsIn reply to Re^3: Undesirable parent hash keys (concept?)
by CountZero
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