Dear Monks,
I'm expecting the following code to simply lowercase Ü (using Perl 5.8.8):
use strict;
use warnings;
use locale;
use POSIX qw(locale_h);
+
binmode( STDOUT, ":utf8" );
+
my $loc = setlocale(LC_CTYPE);
print "LC_CTYPE=$loc\n";
+
my $accented_char = "\x{00dc}"; #Upper case U with DIAERESIS
print "accented char=$accented_char\n";
+
my $lowercased = lc( $accented_char );
+
print "lowercased=$lowercased\n";
But it prints:
LC_CTYPE=en_US.UTF-8
accented char=Ü
lowercased=Ü
Based on perldoc for lc, I believe this should work, but it doesn't.
Interestingly, accepting the input on stdin (with character encoding set to UTF-8 in the terminal) lowercases Ü correctly:
use strict;
use warnings;
use Encode;
+
binmode( STDIN, ":utf8" );
binmode( STDOUT, ":utf8" );
+
+
while( my $char = <> ) {
chomp $char;
my $lc_char = lc( $char );
print "lowercased $char=$lc_char\n";
}
Any idea as to why the first script wouldn't work?
Many thanks.
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