Mega Code Archive
Out value scope
<![CDATA[
#!/usr/bin/perl
use warnings;
use strict;
package MyPackage;
my $my_var = "my-var";
our $our_var = "our-var";
our $local_var = "global-var";
use vars qw($use_var);
$use_var = "use-var";
package AnotherPackage;
print "Outside, my_var is '$my_var' \n";
print "Outside, our_var is '$our_var' \n";
print "Outside, local_var is '$local_var' \n";
#-----
sub sub1 {
my $my_var = "my_in_sub1";
our $our_var = "our_in_sub1";
local $local_var = "local_in_sub1";
print "In sub1, my_var is '$my_var'\n";
print "In sub1, our_var is '$our_var'\n";
print "In sub1, local_var is '$local_var'\n";
sub2();
}
sub sub2 {
print "In sub2, my_var is '$my_var'\n";
print "In sub2, our_var is '$our_var'\n";
print "In sub2, local_var is '$local_var'\n";
}
#-----
sub1();
print "Again outside, my_var is '$my_var' \n"; # display 'my-var'
print "Again outside, our_var is '$our_var' \n"; # display 'our-var'
print "Again outside, local_var is '$local_var' \n"; # display 'global-var'
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