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# Copyright (c) 1987, Fujitsu LTD. (Itaru ICHIKAWA).
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# Copyright (c) 1996-2015, The nkf Project.
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# All rights reserved.
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#
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# This software is provided 'as-is', without any express or implied
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# warranty. In no event will the authors be held liable for any damages
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# arising from the use of this software.
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#
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# Permission is granted to anyone to use this software for any purpose,
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# including commercial applications, and to alter it and redistribute it
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# freely, subject to the following restrictions:
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#
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# 1. The origin of this software must not be misrepresented; you must not
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# claim that you wrote the original software. If you use this software
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# in a product, an acknowledgment in the product documentation would be
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# appreciated but is not required.
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#
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# 2. Altered source versions must be plainly marked as such, and must not be
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# misrepresented as being the original software.
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#
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# 3. This notice may not be removed or altered from any source distribution.
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package NKF;
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use strict;
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
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require Exporter;
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require DynaLoader;
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@ISA = qw(Exporter DynaLoader);
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# Items to export into callers namespace by default. Note: do not export
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# names by default without a very good reason. Use EXPORT_OK instead.
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# Do not simply export all your public functions/methods/constants.
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@EXPORT = qw(
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nkf nkf_continue inputcode
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);
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$VERSION = '2.14';
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bootstrap NKF $VERSION;
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# Preloaded methods go here.
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# Autoload methods go after =cut, and are processed by the autosplit program.
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1;
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__END__
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#
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# =begin から =begin COMMAND までは Perl/NKF のドキュメント
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# =begin COMMAND から =end までは nkf コマンドのドキュメント
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#
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=head1 NAME
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=begin
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NKF - Perl extension for Network Kanji Filter
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=begin COMMAND
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nkf - Network Kanji Filter
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=end
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=head1 SYNOPSIS
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=begin
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use NKF;
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$output = nkf("-s",$input);
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=begin COMMAND
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nkf B<[-butjnesliohrTVvwWJESZxXFfmMBOcdILg]> B<[>I<file ...>B<]>
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=end
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=head1 DESCRIPTION
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=begin
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This is a Perl Extension version of nkf (Network Kanji Filter).
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It converts the last argument and return converted result. Conversion
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details are specified by flags before the last argument.
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=end
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B<Nkf> is a yet another kanji code converter among networks, hosts and terminals.
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It converts input kanji code to designated kanji code
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such as ISO-2022-JP, Shift_JIS, EUC-JP, UTF-8, UTF-16 or UTF-32.
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One of the most unique faculty of B<nkf> is the guess of the input kanji encodings.
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It currently recognizes ISO-2022-JP, Shift_JIS, EUC-JP, UTF-8, UTF-16 and UTF-32.
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So users needn't set the input kanji code explicitly.
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By default, X0201 kana is converted into X0208 kana.
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For X0201 kana, SO/SI, SSO and ESC-(-I methods are supported.
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For automatic code detection, nkf assumes no X0201 kana in Shift_JIS.
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To accept X0201 in Shift_JIS, use B<-X>, B<-x> or B<-S>.
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multiple options are specifed as seprate strings, such as
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print nkf('--ic=UTF8-MAC', '-w', $string), "\n";
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except the last arguments.
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=head1 OPTIONS
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=over
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=item B<-J -S -E -W -W16 -W32 -j -s -e -w -w16 -w32>
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Specify input and output encodings. Upper case is input.
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cf. --ic and --oc.
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=over
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=item B<-J>
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ISO-2022-JP (JIS code).
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=item B<-S>
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Shift_JIS and JIS X 0201 kana.
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EUC-JP is recognized as X0201 kana. Without B<-x> flag,
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JIS X 0201 Katakana (a.k.a.halfwidth kana) is converted into JIS X 0208.
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If you use Windows, see Windows-31J (CP932).
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=item B<-E>
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EUC-JP.
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=item B<-W>
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UTF-8N.
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=item B<-W16[BL][0]>
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UTF-16.
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B or L gives whether Big Endian or Little Endian.
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0 gives whther put BOM or not.
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=item B<-W32[BL][0]>
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UTF-32.
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B or L gives whether Big Endian or Little Endian.
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0 gives whther put BOM or not.
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=back
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=item B<-b -u>
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Output is buffered (DEFAULT), Output is unbuffered.
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=item B<-t>
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No conversion.
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=item B<-i[@B]>
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Specify the escape sequence for JIS X 0208.
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=over
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=item B<-i@>
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Use ESC ( @. (JIS X 0208-1978)
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=item B<-iB>
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Use ESC ( B. (JIS X 0208-1983/1990 DEFAULT)
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=back
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=item B<-o[BJ]>
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Specify the escape sequence for US-ASCII/JIS X 0201 Roman. (DEFAULT B)
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=item B<-r>
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{de/en}crypt ROT13/47
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=item B<-h[123] --hiragana --katakana --katakana-hiragana>
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=over
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=item B<-h1 --hiragana>
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Katakana to Hiragana conversion.
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=item B<-h2 --katakana>
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Hiragana to Katakana conversion.
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=item B<-h3 --katakana-hiragana>
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Katakana to Hiragana and Hiragana to Katakana conversion.
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=back
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=item B<-T>
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Text mode output (MS-DOS)
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=item B<-f[I<m> [- I<n>]]>
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Folding on I<m> length with I<n> margin in a line.
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Without this option, fold length is 60 and fold margin is 10.
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=item B<-F>
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New line preserving line folding.
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=item B<-Z[0-3]>
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Convert X0208 alphabet (Fullwidth Alphabets) to ASCII.
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=over
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=item B<-Z -Z0>
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Convert X0208 alphabet to ASCII.
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=item B<-Z1>
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Convert X0208 kankaku to single ASCII space.
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=item B<-Z2>
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Convert X0208 kankaku to double ASCII spaces.
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=item B<-Z3>
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Replacing fullwidth >, <, ", & into '>', '<', '"', '&' as in HTML.
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=back
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=item B<-X -x>
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With B<-X> or without this option, X0201 is converted into X0208 Kana.
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With B<-x>, try to preserve X0208 kana and do not convert X0201 kana to X0208.
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In JIS output, ESC-(-I is used. In EUC output, SS2 is used.
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=item B<-B[0-2]>
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Assume broken JIS-Kanji input, which lost ESC.
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Useful when your site is using old B-News Nihongo patch.
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=over
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=item B<-B1>
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allows any chars after ESC-( or ESC-$.
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=item B<-B2>
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force ASCII after NL.
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=back
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=item B<-I>
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Replacing non iso-2022-jp char into a geta character
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(substitute character in Japanese).
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=item B<-m[BQN0]>
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MIME ISO-2022-JP/ISO8859-1 decode. (DEFAULT)
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To see ISO8859-1 (Latin-1) -l is necessary.
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=over
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=item B<-mB>
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Decode MIME base64 encoded stream. Remove header or other part before
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conversion.
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=item B<-mQ>
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Decode MIME quoted stream. '_' in quoted stream is converted to space.
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=item B<-mN>
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Non-strict decoding.
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It allows line break in the middle of the base64 encoding.
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=item B<-m0>
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No MIME decode.
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=back
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=item B<-M>
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MIME encode. Header style. All ASCII code and control characters are intact.
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=over
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=item B<-MB>
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MIME encode Base64 stream.
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Kanji conversion is performed before encoding, so this cannot be used as a picture encoder.
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=item B<-MQ>
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Perform quoted encoding.
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=back
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=item B<-l>
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Input and output code is ISO8859-1 (Latin-1) and ISO-2022-JP.
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B<-s>, B<-e> and B<-x> are not compatible with this option.
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=item B<-L[uwm] -d -c>
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Convert line breaks.
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=over
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=item B<-Lu -d>
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unix (LF)
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=item B<-Lw -c>
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windows (CRLF)
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=item B<-Lm>
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949123 |
mac (CR)
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949123 |
Without this option, nkf doesn't convert line breaks.
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949123 |
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949123 |
=back
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=item B<--fj --unix --mac --msdos --windows>
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Convert for these systems.
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=item B<--jis --euc --sjis --mime --base64>
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Convert to named code.
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=item B<--jis-input --euc-input --sjis-input --mime-input --base64-input>
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Assume input system
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949123 |
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=item B<--ic=I<input codeset> --oc=I<output codeset>>
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Packit Service |
949123 |
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949123 |
Set the input or output codeset.
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949123 |
NKF supports following codesets and those codeset names are case insensitive.
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949123 |
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949123 |
=over
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949123 |
=item ISO-2022-JP
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949123 |
a.k.a. RFC1468, 7bit JIS, JUNET
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949123 |
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949123 |
=item EUC-JP (eucJP-nkf)
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949123 |
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949123 |
a.k.a. AT&T JIS, Japanese EUC, UJIS
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=item eucJP-ascii
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949123 |
=item eucJP-ms
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=item CP51932
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949123 |
Microsoft Version of EUC-JP.
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=item Shift_JIS
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a.k.a. SJIS, MS_Kanji
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949123 |
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=item Windows-31J
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a.k.a. CP932
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=item UTF-8
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949123 |
same as UTF-8N
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949123 |
=item UTF-8N
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949123 |
UTF-8 without BOM
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949123 |
=item UTF-8-BOM
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949123 |
UTF-8 with BOM
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949123 |
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949123 |
=item UTF8-MAC (input only)
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949123 |
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949123 |
decomposed UTF-8
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949123 |
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949123 |
=item UTF-16
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949123 |
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same as UTF-16BE
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949123 |
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949123 |
=item UTF-16BE
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949123 |
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949123 |
UTF-16 Big Endian without BOM
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949123 |
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Packit Service |
949123 |
=item UTF-16BE-BOM
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949123 |
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949123 |
UTF-16 Big Endian with BOM
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949123 |
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949123 |
=item UTF-16LE
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949123 |
UTF-16 Little Endian without BOM
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949123 |
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949123 |
=item UTF-16LE-BOM
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949123 |
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949123 |
UTF-16 Little Endian with BOM
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949123 |
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949123 |
=item UTF-32
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949123 |
same as UTF-32BE
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949123 |
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Packit Service |
949123 |
=item UTF-32BE
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949123 |
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949123 |
UTF-32 Big Endian without BOM
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Packit Service |
949123 |
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Packit Service |
949123 |
=item UTF-32BE-BOM
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949123 |
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Packit Service |
949123 |
UTF-32 Big Endian with BOM
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949123 |
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Packit Service |
949123 |
=item UTF-32LE
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949123 |
UTF-32 Little Endian without BOM
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949123 |
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Packit Service |
949123 |
=item UTF-32LE-BOM
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949123 |
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Packit Service |
949123 |
UTF-32 Little Endian with BOM
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949123 |
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Packit Service |
949123 |
=back
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949123 |
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949123 |
=item B<--fb-{skip, html, xml, perl, java, subchar}>
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949123 |
Specify the way that nkf handles unassigned characters.
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949123 |
Without this option, --fb-skip is assumed.
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949123 |
=item B<--prefix=I<escape character>I<target character>..>
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949123 |
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Packit Service |
949123 |
When nkf converts to Shift_JIS,
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949123 |
nkf adds a specified escape character to specified 2nd byte of Shift_JIS characters.
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1st byte of argument is the escape character and following bytes are target characters.
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949123 |
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=item B<--no-cp932ext>
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949123 |
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Packit Service |
949123 |
Handle the characters extended in CP932 as unassigned characters.
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949123 |
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Packit Service |
949123 |
=item B<--no-best-fit-chars>
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949123 |
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Packit Service |
949123 |
When Unicode to Encoded byte conversion,
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949123 |
don't convert characters which is not round trip safe.
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Packit Service |
949123 |
When Unicode to Unicode conversion,
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Packit Service |
949123 |
with this and -x option, nkf can be used as UTF converter.
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Packit Service |
949123 |
(In other words, without this and -x option, nkf doesn't save some characters)
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Packit Service |
949123 |
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Packit Service |
949123 |
When nkf converts strings that related to path, you should use this opion.
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Packit Service |
949123 |
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Packit Service |
949123 |
=item B<--cap-input>
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Packit Service |
949123 |
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Packit Service |
949123 |
Decode hex encoded characters.
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949123 |
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Packit Service |
949123 |
=item B<--url-input>
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Packit Service |
949123 |
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Packit Service |
949123 |
Unescape percent escaped characters.
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949123 |
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Packit Service |
949123 |
=item B<--numchar-input>
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Packit Service |
949123 |
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Packit Service |
949123 |
Decode character reference, such as "&#....;".
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949123 |
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Packit Service |
949123 |
=begin COMMAND
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949123 |
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Packit Service |
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=item B<--in-place[=>I<SUFFIX>B<]> B<--overwrite[=>I<SUFFIX>B<]>
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Packit Service |
949123 |
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Packit Service |
949123 |
Overwrite B<original> listed files by filtered result.
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949123 |
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Packit Service |
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B<Note> --overwrite preserves timestamps of original files.
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Packit Service |
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=item B<--guess=[12]>
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Packit Service |
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Print guessed encoding and newline. (2 is default, 1 is only encoding)
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949123 |
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Packit Service |
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=item B<--help>
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Packit Service |
949123 |
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Packit Service |
949123 |
Print nkf's help.
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Packit Service |
949123 |
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Packit Service |
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=item B<--version>
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Packit Service |
949123 |
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Packit Service |
949123 |
Print nkf's version.
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Packit Service |
949123 |
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Packit Service |
949123 |
=end
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Packit Service |
949123 |
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Packit Service |
949123 |
=item B<-->
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Packit Service |
949123 |
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Packit Service |
949123 |
Ignore rest of -option.
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949123 |
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Packit Service |
949123 |
=back
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Packit Service |
949123 |
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=head1 AUTHOR
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Packit Service |
949123 |
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Packit Service |
949123 |
Copyright (c) 1987, Fujitsu LTD. (Itaru ICHIKAWA).
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949123 |
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Packit Service |
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Copyright (c) 1996-2015, The nkf Project.
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Packit Service |
949123 |
=begin
|
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Packit Service |
949123 |
|
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Packit Service |
949123 |
=head1 SEE ALSO
|
|
Packit Service |
949123 |
|
|
Packit Service |
949123 |
perl(1). nkf(1)
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Packit Service |
949123 |
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Packit Service |
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=end
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949123 |
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Packit Service |
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=cut
|