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bytes::length TIMTOWTDI
authorAndreas König <a.koenig@mind.de>
Tue, 23 Apr 2002 04:40:42 +0000 (06:40 +0200)
committerJarkko Hietaniemi <jhi@iki.fi>
Fri, 26 Apr 2002 01:22:04 +0000 (01:22 +0000)
Message-ID: <m37kmzi1cl.fsf@anima.de>

p4raw-id: //depot/perl@16176

pod/perluniintro.pod

index 84bfb98..d6eae60 100644 (file)
@@ -624,13 +624,16 @@ the output string will be UTF-8-encoded "ab\x80c\x{100}\n", but note
 that C<$a> will stay single byte encoded.
 
 Sometimes you might really need to know the byte length of a string
-instead of the character length.  For that use the C<bytes> pragma
-and its only defined function C<length()>:
+instead of the character length. For that use either the
+C<Encode::encode_utf8()> function or the C<bytes> pragma and its only
+defined function C<length()>:
 
     my $unicode = chr(0x100);
     print length($unicode), "\n"; # will print 1
+    require Encode;
+    print length(Encode::encode_utf8($unicode)), "\n"; # will print 2
     use bytes;
-    print length($unicode), "\n"; # will print 2 (the 0xC4 0x80 of the UTF-8)
+    print length($unicode), "\n"; # will also print 2 (the 0xC4 0x80 of the UTF-8)
 
 =item