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Re: how to use Encode qw(all)

by almut (Canon)
on Apr 05, 2010 at 15:24 UTC ( #832835=note: print w/ replies, xml ) Need Help??


in reply to how to use Encode qw(all)

Depends on what exactly you mean by "input".  If you're referring to data read from an external file, using the PerlIO layer (your latter two variants) is certainly the way to go — except that reading from a file ("<:...") would decode, not encode, as you say in your question; in order to encode you'd need to write to the file...

See also the open pragma, -C and utf8.


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Re^2: how to use Encode qw(all)
by swilting (Beadle) on Apr 05, 2010 at 15:44 UTC

    I work webmail on @jaos software . incoming (input) are emails

    I thought this little preview of code

    package CGI::as_utf8; BEGIN { use strict; use warnings; use CGI 3.47; # earlier versions have a UTF-8 double-decoding bug { no warnings 'redefine'; my $param_org = \&CGI::param; my $might_decode = sub { my $p = shift; # make sure upload() filehandles are not modified return $p if !$p || ( ref $p && fileno($p) ); utf8::decode($p); # may fail, but only logs an error $p }; *CGI::param = sub { # setting a param goes through the original interface goto &$param_org if scalar @_ != 2; my $q = $_[0]; # assume object calls always my $p = $_[1]; return wantarray ? map { $might_decode->($_) } $q->$param_org($p) : $might_decode->( $q->$param_org($p) ); } } } 1

    but I must be careful in the webmail there is of course the posibility to upload. consider how the thing

    or else , : either. I can afford to encode the file handle as quoted above

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