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Re: Help needed understanding global variables in Perl

by broquaint (Abbot)
on Mar 05, 2002 at 10:44 UTC ( #149325=note: print w/replies, xml ) Need Help??

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  1. or download this
    # use strict;
    $foo = "a string";
    ...
        local $foo;
        print qq(foo is now localized and empty "$foo"\n);
    }
    
  2. or download this
    {   # creates a new lexical scope
        my $foo = "add text here - ";
    ...
            return $foo;
        }
    }   # $foo now only referenced by &add_text
    

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[reisinge]: 'push @foo, @bar' is the same as '@foo = (@foo ,@bar)' ?
[shmem]: yes, at least for the result in @foo
[shmem]: but the results of both operations are different.

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