in reply to Re^2: Are global variables "bad"?
in thread Are global variables "bad"?

local only works on global variables. It puts a temporary value into the global variable until the current block is left. Also see Seven Useful Uses for Local.

Replies are listed 'Best First'.
Re^4: Are global variables "bad"?
by JavaFan (Canon) on Apr 21, 2009 at 21:21 UTC
    local only works on global variables.
    Not true. It's not even true if you meant "package" where you wrote "global". 
    $ perl -wE 'my @a = (1, 2, 3); {local $a[1] = 7; say "@a";} say "@a"'
1 7 3
1 2 3

    [download]
[reply]
[d/l]

In Section Seekers of Perl Wisdom