The following code
#!/usr/bin/perl
use strict;
use warnings;
my $s1 = 'aaa2000@yahoo.com';
my $s2 = 'aaa_2000@yahoo.com';
my $s3 = 'aaa2000';
my $s4 = 'aaa_2000';
no locale;
print "\nNO Locale:\n\n";
if ($s1 gt $s2) {print "$s1 is > $s2\n";}
if ($s1 lt $s2) {print "$s1 is < $s2\n";}
if ($s1 eq $s2) {print "$s1 is = $s2\n";}
if ($s3 gt $s4) {print "$s3 is > $s4\n";}
if ($s3 lt $s4) {print "$s3 is < $s4\n";}
if ($s3 eq $s4) {print "$s3 is = $s4\n";}
use locale;
print "\nWith 'use locale;':\n\n";
if ($s1 gt $s2) {print "$s1 is > $s2\n";}
if ($s1 lt $s2) {print "$s1 is < $s2\n";}
if ($s1 eq $s2) {print "$s1 is = $s2\n";}
if ($s3 gt $s4) {print "$s3 is > $s4\n";}
if ($s3 lt $s4) {print "$s3 is < $s4\n";}
if ($s3 eq $s4) {print "$s3 is = $s4\n";}
prints out
NO Locale:
aaa2000@yahoo.com is < aaa_2000@yahoo.com
aaa2000 is < aaa_2000
With 'use locale;':
aaa2000@yahoo.com is > aaa_2000@yahoo.com
aaa2000 is < aaa_2000
which I cannot really follow. Am I missing something more or less obvious, or is this a bug? Can others confirm to see the same behavior ?
I see this both on a 5.8.8 Perl as on a 5.10.1 Perl.
Many thanks in advance,
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