>>>>> "OL" == Odin Liu <[email protected]> writes:
OL> I consider $_ is a value-copy of the loop-element, but as shown in OL> a while loop inside a for loop, it seems that $_ is a reference of OL> the loop-element. it doesn't matter what you consider $_ to be. don't use it for loops. use a lexical variable whenever you can instead of $_. it makes your code easier to read and it will have fewer bugs. uri -- Uri Guttman ------ [email protected] -------- http://www.sysarch.com -- ----- Perl Code Review , Architecture, Development, Training, Support ------ --------- Gourmet Hot Cocoa Mix ---- http://bestfriendscocoa.com --------- -- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] http://learn.perl.org/
