nkf(1) nkf(1) NAME nkf - Network Kanji Filter SYNOPSIS nkf [-butjnesliohrTVvwWJESZxXFfmMBOcdILg] [file ...] DESCRIPTION Nkf is a yet another kanji code converter among networks, hosts and termi- nals. It converts input kanji code to designated kanji code such as ISO-2022-JP, Shift_JIS, EUC-JP, UTF-8, UTF-16 or UTF-32. One of the most unique faculty of nkf is the guess of the input kanji en- codings. It currently recognizes ISO-2022-JP, Shift_JIS, EUC-JP, UTF-8, UTF-16 and UTF-32. So users needn't set the input kanji code explicitly. By default, X0201 kana is converted into X0208 kana. For X0201 kana, SO/SI, SSO and ESC-(-I methods are supported. For automatic code detec- tion, nkf assumes no X0201 kana in Shift_JIS. To accept X0201 in Shift_JIS, use -X, -x or -S. multiple options are specifed as seprate strings, such as print nkf('--ic=UTF8-MAC', '-w', $string), "\n"; except the last arguments. OPTIONS -J -S -E -W -W16 -W32 -j -s -e -w -w16 -w32 Specify input and output encodings. Upper case is input. cf. --ic and --oc. -J ISO-2022-JP (JIS code). -S Shift_JIS and JIS X 0201 kana. EUC-JP is recognized as X0201 kana. Without -x flag, JIS X 0201 Katakana (a.k.a.halfwidth kana) is con- verted into JIS X 0208. If you use Windows, see Windows-31J (CP932). -E EUC-JP. -W UTF-8N. -W16[BL][0] UTF-16. B or L gives whether Big Endian or Little Endian. 0 gives whther put BOM or not. -W32[BL][0] UTF-32. B or L gives whether Big Endian or Little Endian. 0 gives whther put BOM or not. -b -u Output is buffered (DEFAULT), Output is unbuffered. -t No conversion. -i[@B] Specify the escape sequence for JIS X 0208. -i@ Use ESC ( @. (JIS X 0208-1978) -iB Use ESC ( B. (JIS X 0208-1983/1990 DEFAULT) -o[BJ] Specify the escape sequence for US-ASCII/JIS X 0201 Roman. (DEFAULT B) -r {de/en}crypt ROT13/47 -h[123] --hiragana --katakana --katakana-hiragana -h1 --hiragana Katakana to Hiragana conversion. -h2 --katakana Hiragana to Katakana conversion. -h3 --katakana-hiragana Katakana to Hiragana and Hiragana to Katakana conversion. -T Text mode output (MS-DOS) -f[m [- n]] Folding on m length with n margin in a line. Without this option, fold length is 60 and fold margin is 10. -F New line preserving line folding. -Z[0-3] Convert X0208 alphabet (Fullwidth Alphabets) to ASCII. -Z -Z0 Convert X0208 alphabet to ASCII. -Z1 Convert X0208 kankaku to single ASCII space. -Z2 Convert X0208 kankaku to double ASCII spaces. -Z3 Replacing fullwidth >, <, ", & into '>', '<', '"', '&' as in HTML. -X -x With -X or without this option, X0201 is converted into X0208 Kana. With -x, try to preserve X0208 kana and do not convert X0201 kana to X0208. In JIS output, ESC-(-I is used. In EUC output, SS2 is used. -B[0-2] Assume broken JIS-Kanji input, which lost ESC. Useful when your site is using old B-News Nihongo patch. -B1 allows any chars after ESC-( or ESC-$. -B2 force ASCII after NL. -I Replacing non iso-2022-jp char into a geta character (substitute char- acter in Japanese). -m[BQN0] MIME ISO-2022-JP/ISO8859-1 decode. (DEFAULT) To see ISO8859-1 (Latin-1) -l is necessary. -mB Decode MIME base64 encoded stream. Remove header or other part be- fore conversion. -mQ Decode MIME quoted stream. '_' in quoted stream is converted to space. -mN Non-strict decoding. It allows line break in the middle of the base64 encoding. -m0 No MIME decode. -M MIME encode. Header style. All ASCII code and control characters are intact. -MB MIME encode Base64 stream. Kanji conversion is performed before encoding, so this cannot be used as a picture encoder. -MQ Perform quoted encoding. -l Input and output code is ISO8859-1 (Latin-1) and ISO-2022-JP. -s, -e and -x are not compatible with this option. -L[uwm] -d -c Convert line breaks. -Lu -d unix (LF) -Lw -c windows (CRLF) -Lm mac (CR) Without this option, nkf doesn't convert line breaks. --fj --unix --mac --msdos --windows Convert for these systems. --jis --euc --sjis --mime --base64 Convert to named code. --jis-input --euc-input --sjis-input --mime-input --base64-input Assume input system --ic=input codeset --oc=output codeset Set the input or output codeset. NKF supports following codesets and those codeset names are case insensitive. ISO-2022-JP a.k.a. RFC1468, 7bit JIS, JUNET EUC-JP (eucJP-nkf) a.k.a. AT&T JIS, Japanese EUC, UJIS eucJP-ascii eucJP-ms CP51932 Microsoft Version of EUC-JP. Shift_JIS a.k.a. SJIS, MS_Kanji Windows-31J a.k.a. CP932 UTF-8 same as UTF-8N UTF-8N UTF-8 without BOM UTF-8-BOM UTF-8 with BOM UTF8-MAC (input only) decomposed UTF-8 UTF-16 same as UTF-16BE UTF-16BE UTF-16 Big Endian without BOM UTF-16BE-BOM UTF-16 Big Endian with BOM UTF-16LE UTF-16 Little Endian without BOM UTF-16LE-BOM UTF-16 Little Endian with BOM UTF-32 same as UTF-32BE UTF-32BE UTF-32 Big Endian without BOM UTF-32BE-BOM UTF-32 Big Endian with BOM UTF-32LE UTF-32 Little Endian without BOM UTF-32LE-BOM UTF-32 Little Endian with BOM --fb-{skip, html, xml, perl, java, subchar} Specify the way that nkf handles unassigned characters. Without this option, --fb-skip is assumed. --prefix=escape charactertarget character.. When nkf converts to Shift_JIS, nkf adds a specified escape character to specified 2nd byte of Shift_JIS characters. 1st byte of argument is the escape character and following bytes are target characters. --no-cp932ext Handle the characters extended in CP932 as unassigned characters. --no-best-fit-chars When Unicode to Encoded byte conversion, don't convert characters which is not round trip safe. When Unicode to Unicode conversion, with this and -x option, nkf can be used as UTF converter. (In other words, without this and -x option, nkf doesn't save some characters) When nkf converts strings that related to path, you should use this opion. --cap-input Decode hex encoded characters. --url-input Unescape percent escaped characters. --numchar-input Decode character reference, such as "&#....;". --in-place[=SUFFIX] --overwrite[=SUFFIX] Overwrite original listed files by filtered result. Note --overwrite preserves timestamps of original files. --guess=[12] Print guessed encoding and newline. (2 is default, 1 is only encoding) --help Print nkf's help. --version Print nkf's version. -- Ignore rest of -option. AUTHOR Copyright (c) 1987, Fujitsu LTD. (Itaru ICHIKAWA). Copyright (c) 1996-2018, The nkf Project. nkf 2.1.5 2018-12-15 nkf(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHOR
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