man perlcn (Commandes) - ¼òÌåÖÐÎÄ Perl Ö¸ÄÏ

NAME

perlcn - ¼òÌåÖÐÎÄ Perl Ö¸ÄÏ

DESCRIPTION

»¶Ó­À´µ½ Perl µÄÌìµØ!

´Ó 5.8.0 °æ¿ªÊ¼, Perl ¾ß±¸ÁËÍêÉÆµÄ Unicode (ͳһÂë) Ö§Ô®, Ò²Á¬´øÖ§Ô®ÁËÐí¶àÀ­¶¡ÓïϵÒÔÍâµÄ±àÂ뷽ʽ; CJK (ÖÐÈÕº«) ±ãÊÇÆäÖеÄÒ»²¿·Ý. Unicode Êǹú¼ÊÐԵıê×¼, ÊÔͼº­¸ÇÊÀ½çÉÏËùÓеÄ×Ö·û: Î÷·½ÊÀ½ç, ¶«·½ÊÀ½ç, ÒÔ¼°Á½Õß¼äµÄÒ»ÇÐ (Ï£À°ÎÄ, ÐðÀûÑÇÎÄ, ÑÇÀ­²®ÎÄ, Ï£²®À´ÎÄ, Ó¡¶ÈÎÄ, Ó¡µØ°²ÎÄ, µÈµÈ). ËüÒ²ÈÝÄÉÁ˶àÖÖ×÷ҵϵͳÓëƽ̨ (Èç PC ¼°Âó½ðËþ).

Perl ±¾ÉíÒÔ Unicode ½øÐвÙ×÷. Õâ±íʾ Perl ÄÚ²¿µÄ×Ö·û´®Êý¾Ý¿ÉÓà Unicode ±íʾ; Perl µÄº¯Ê½ÓëËã·û (ÀýÈçÕý¹æ±íʾʽ±È¶Ô) Ò²ÄÜ¶Ô Unicode ½øÐвÙ×÷. ÔÚÊäÈë¼°Êä³öʱ, ΪÁË´¦ÀíÒÔ Unicode ֮ǰµÄ±àÂ뷽ʽ´æ·ÅµÄÊý¾Ý, Perl ÌṩÁË Encode Õâ¸öÄ£¿é, ¿ÉÒÔÈÃÄãÇáÒ׵ضÁÈ¡¼°Ð´Èë¾ÉÓеıàÂëÊý¾Ý.

Encode ÑÓÉìÄ£¿éÖ§Ô®ÏÂÁмòÌåÖÐÎĵıàÂ뷽ʽ ('gb2312' ±íʾ 'euc-cn'): 

    euc-cn      Unix ÑÓÉì×Ö·û¼¯, Ò²¾ÍÊÇË׳ƵĹú±êÂë
    gb2312-raw  δ¾­´¦ÀíµÄ (µÍ±ÈÌØ) GB2312 ×Ö·û±í
    gb12345     δ¾­´¦ÀíµÄÖйúÓ÷±ÌåÖÐÎıàÂë
    iso-ir-165  GB2312 + GB6345 + GB8565 + ÐÂÔö×Ö·û
    cp936       ×ÖÂëÒ³ 936, Ò²¿ÉÒÔÓà 'GBK' (À©³ä¹ú±êÂë) Ö¸Ã÷
    hz          7 ±ÈÌØÒݳöʽ GB2312 ±àÂë

¾ÙÀýÀ´Ëµ, ½« EUC-CN ±àÂëµÄµµ°¸×ª³É Unicode, ìóÐè¼üÈëÏÂÁÐÖ¸Áî: 

    perl -Mencoding=euc-cn,STDOUT,utf8 -pe1 < file.euc-cn > file.utf8

Perl Ò²ÄÚ¸½ÁË piconv, Ò»Ö§ÍêÈ«ÒÔ Perl д³ÉµÄ×Ö·ûת»»¹¤¾ß³ÌÐò, Ó÷¨ÈçÏÂ: 

    piconv -f euc-cn -t utf8 < file.euc-cn > file.utf8
    piconv -f utf8 -t euc-cn < file.utf8 > file.euc-cn

ÁíÍâ, ÀûÓà encoding Ä£¿é, Äã¿ÉÒÔÇáÒ×д³öÒÔ×Ö·ûΪµ¥Î»µÄ³ÌÐòÂë, ÈçÏÂËùʾ: 

    #!/usr/bin/env perl
    # Æô¶¯ euc-cn ×Ö´®½âÎö; ±ê×¼Êä³öÈë¼°±ê×¼´íÎó¶¼ÉèΪ euc-cn ±àÂë
    use encoding 'euc-cn', STDIN => 'euc-cn', STDOUT => 'euc-cn';
    print length("ÂæÍÕ");            #  2 (Ë«ÒýºÅ±íʾ×Ö·û)
    print length('ÂæÍÕ');            #  4 (µ¥ÒýºÅ±íʾ×Ö½Ú)
    print index("×»×»½Ì»å", "»×»½"); # -1 (²»°üº¬´Ë×Ó×Ö·û´®)
    print index('×»×»½Ì»å', '»×»½'); #  1 (´ÓµÚ¶þ¸ö×Ö½Ú¿ªÊ¼)

ÔÚ×îºóÒ»ÁÐÀý×ÓÀï, ×» µÄµÚ¶þ¸ö×Ö½ÚÓë ×» µÄµÚÒ»¸ö×Ö½Ú½áºÏ³É EUC-CN ÂëµÄ »×; ×» µÄµÚ¶þ¸ö×Ö½ÚÔòÓë ½Ì µÄµÚÒ»¸ö×Ö½Ú½áºÏ³É »½. Õâ½â¾öÁËÒÔÇ° EUC-CN Âë±È¶Ô´¦ÀíÉϳ£¼ûµÄÎÊÌâ.

¶îÍâµÄÖÐÎıàÂë

Èç¹ûÐèÒª¸ü¶àµÄÖÐÎıàÂë, ¿ÉÒÔ´Ó CPAN (<http://www.cpan.org/>) ÏÂÔØ Encode::HanExtra Ä£¿é. ËüÄ¿Ç°ÌṩÏÂÁбàÂ뷽ʽ: 

    gb18030     À©³ä¹ýµÄ¹ú±êÂë, °üº¬·±ÌåÖÐÎÄ

ÁíÍâ, Encode::HanConvert Ä£¿éÔòÌṩÁ˼ò·±×ª»»ÓõÄÁ½ÖÖ±àÂë: 

    big5-simp   Big5 ·±ÌåÖÐÎÄÓë Unicode ¼òÌåÖÐÎÄ»¥×ª
    gbk-trad    GBK ¼òÌåÖÐÎÄÓë Unicode ·±ÌåÖÐÎÄ»¥×ª

ÈôÏëÔÚ GBK Óë Big5 Ö®¼ä»¥×ª, Çë²Î¿¼¸ÃÄ£¿éÄÚ¸½µÄ b2g.pl Óë g2b.pl Á½Ö§³ÌÐò, »òÔÚ³ÌÐòÄÚʹÓÃÏÂÁÐд·¨: 

    use Encode::HanConvert;
    $euc_cn = big5_to_gb($big5); # ´Ó Big5 תΪ GBK
    $big5 = gb_to_big5($euc_cn); # ´Ó GBK תΪ Big5

½øÒ»²½µÄÐÅÏ¢

Çë²Î¿¼ Perl ÄÚ¸½µÄ´óÁ¿ËµÃ÷Îļþ (²»ÐÒÈ«ÊÇÓÃÓ¢ÎÄдµÄ), À´Ñ§Ï°¸ü¶à¹ØÓÚ Perl µÄ֪ʶ, ÒÔ¼° Unicode µÄʹÓ÷½Ê½. ²»¹ý, ÍⲿµÄ×ÊÔ´Ï൱·á¸»:

Ìṩ Perl ×ÊÔ´µÄÍøÖ·

<http://www.perl.com/>
Perl µÄÊ×Ò³ (ÓÉÅ·À³Àñ¹«Ë¾Î¬»¤)
<http://www.cpan.org/>
Perl ×ۺϵä²ØÍø (Comprehensive Perl Archive Network)
<http://lists.perl.org/>
Perl ÓʵÝÂÛ̳һÀÀ

ѧϰ Perl µÄÍøÖ·

<http://www.oreilly.com.cn/html/perl.html>
¼òÌåÖÐÎÄ°æµÄÅ·À³Àñ Perl Êé½å

Perl ʹÓÃÕß¼¯»á

<http://www.pm.org/groups/asia.shtml#China>
Öйú Perl Íƹã×éÒ»ÀÀ

Unicode Ïà¹ØÍøÖ·

<http://www.unicode.org/>
Unicode ѧÊõѧ»á (Unicode ±ê×¼µÄÖƶ¨Õß)
<http://www.cl.cam.ac.uk/%7Emgk25/unicode.html>
Unix/Linux É쵀 UTF-8 ¼° Unicode ´ð¿ÍÎÊ

SEE ALSO

Encode, Encode::CN, encoding, perluniintro, perlunicode

AUTHORS

Jarkko Hietaniemi <jhi@iki.fi>

Autrijus Tang (ÌÆ×Úºº) <autrijus@autrijus.org>