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Postings from April 2011
I erroneously wrote:
> Does that mean that Perl will do the right thing if I simply say
> use locale;
> I don't think it will.
I was wrong, but there is still something confusing me.
This shows that use locale has a built-in setlocale:
% echo $PERL_UNICODE $LANG
S en_US.UTF-8
% blead -CS -Mlocale -le 'print "\u\xE9"'
É
% blead -CS -M-locale -le 'print "\u\xE9"'
é
% blead -CS -le 'print "\u\xE9"'
é
% blead -CS -lE 'print "\u\xE9"'
É
But this shows that /u regexes don't work like I would
think they would:
% blead -le 'print "\xE9" =~ s/(.)/\u$1/r'
é
% blead -Mlocale -le 'print "\xE9" =~ s/(.)/\u$1/r'
É
But:
% blead -le 'print "\xE9" =~ s/(\w)/\u$1/lr'
é
% blead -le 'print "\xE9" =~ s/(.)/\u$1/ru'
é
Drat. It isn't using Unicode case mapping when you use /u.
Is that expected? So /u *isn't* like an automatic
use feature unicode_strings any moreso than /l is (not) a
an automatic use locale?
I wonder why I keep thinking they are. :(
--tom
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