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.\" ========================================================================
.\"
.IX Title "MIME::EcoEncode::Fold 3"
.TH MIME::EcoEncode::Fold 3 "2013-11-13" "perl v5.8.9" "User Contributed Perl Documentation"
.SH "NAME"
MIME::EcoEncode::Fold \- folding multi\-byte string
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 10
\& use MIME::EcoEncode::Fold;
\& $folded = mime_eco_fold($str, 'UTF-8'); # fold utf8 string
\& $folded = mime_eco_fold($str, 'GB2312'); # fold euc-cn string
\& $folded = mime_eco_fold($str, 'EUC-KR'); # fold euc-kr string
\& $folded = mime_eco_fold($str, 'Big5'); # fold big5 string
\& $folded = mime_eco_fold($str, 'Shift_JIS'); # fold cp932 string
\& $folded = mime_eco_fold($str, 'ISO-2022-JP'); # fold 7bit-jis string
\& $folded = mime_eco_fold($str, $sbcs); # $sbcs :
\& # single-byte charset
\& # (e.g. 'ISO-8859-1')
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This is a module for folding multi-byte string.
.PP
When the line of the e\-mail text is long,
\&\s-1SMTP\s0 server may insert line feed code
and the multi-byte string might break.
This module was written in order to prevent it.
.Sh "Options"
.IX Subsection "Options"
.Vb 9
\& $folded = mime_eco_fold($str, $charset, $lf, $bpl);
\& # $charset : 'UTF-8' / 'GB2312' / 'EUC-KR' / 'Big5' /
\& # 'Shift_JIS' / 'ISO-2022-JP' / ...
\& # (default: 'UTF-8')
\& # Note: The others are all folded as
\& # single-byte string.
\& # $lf : line feed (default: "\en ")
\& # $bpl : bytes per line (default: 990)
\& # Note: 990 is postfix's default.
.Ve
.Sh "Examples"
.IX Subsection "Examples"
Ex1
.PP
.Vb 7
\& use MIME::EcoEncode::Fold;
\& my $str =<<"END";
\& This document specifies an Internet standards track protocol for the
\& Internet community, and requests discussion and suggestions for
\& improvements.
\& END
\& print mime_eco_fold($str, 'UTF-8', undef, 50);
.Ve
.PP
Ex1's output:
.PP
.Vb 5
\& This document specifies an Internet standards trac
\& k protocol for the
\& Internet community, and requests discussion and su
\& ggestions for
\& improvements.
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
MIME::EcoEncode
.SH "AUTHOR"
.IX Header "AUTHOR"
\&\s-1MURATA\s0 Yasuhisa <murata@nips.ac.jp>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2013 \s-1MURATA\s0 Yasuhisa
.SH "LICENSE"
.IX Header "LICENSE"
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.