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You can only localize a "package global variable" but not a lexical variable i.e., declared using "my". A package global can be created using "use vars qw($pkg_gbl_bar1 $pkg_gbl_bar2)". Please change your code as below
use strict;
use vars qw($tt);
$tt = 3.14159;
local $tt = 3;
print "In block, \$tt = $tt\n";
print "In block, \$::tt = $::tt\n";
print "Outside block, \$tt = $tt\n";
print "Outside block, \$::tt = $::tt\n";

Hope this helps you. If I am wrong, please let me know.

In reply to Re^4: The difference between my and local by Nazeerahamed
in thread The difference between my and local by cLive ;-)

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