source: trunk/essentials/dev-lang/perl/README.tw@ 3724

If you read this file _as_is_, just ignore the funny characters you
see. It is written in the POD format (see perlpod manpage) which is
specially designed to be readable as is.

The following documentation is written in Big5 encoding.

ŠpªG§A¥Î€@¯ëªº€åŠrœs¿èŸ¹Ÿ\Äý³o¥÷€å¥ó, œÐ©¿²€€å€€©_¯Sªºµù°OŠr²Å.
³o¥÷€å¥ó¬O¥H POD (²©ú€å¥ó®æŠ¡) ŒgŠš; ³oºØ®æŠ¡¬O¬°€F¯àÅý€Hªœ±µÅªšú,
ŠÓ¯S§O³]­pªº. Ãö©óŠ¹®æŠ¡ªº¶i€@šBžê°T, œÐ°ÑŠÒ perlpod œu€W€å¥ó.

=head1 NAME

perltw - ¥¿Å退€å Perl «ü«n

=head1 DESCRIPTION

ÅwªïšÓšì Perl ªº€ÑŠa!

±q 5.8.0 ª©¶}©l, Perl šã³Æ€F§¹µœªº Unicode (žU°êœX) €äŽ©,
€]³s±a€äŽ©€F³\Šh©Ô€B»yšt¥H¥~ªºœsœX€èŠ¡; CJK (€€€éÁú) «K¬Ošä€€ªº€@³¡¥÷.
Unicode ¬O°ê»Ú©ÊªºŒÐ·Ç, žÕ¹Ï²[»\¥@¬É€W©ÒŠ³ªºŠr²Å: Šè€è¥@¬É, ªF€è¥@¬É,
¥H€ÎšâªÌ¶¡ªº€@€Á (§Æ߀å, ±Ô§QšÈ€å, ªü©Ô§B€å, §Æ§BšÓ€å, ŠL«×€å,
ŠLŠaŠw€å, µ¥µ¥). ¥Š€]®e¯Ç€FŠhºØ§@·~št²Î»P¥­»O (Šp PC €Î³Áª÷¶ð).

Perl ¥»š­¥H Unicode ¶iŠæŸÞ§@. ³oªí¥Ü Perl €º³¡ªºŠrŠêžê®Æ¥i¥Î Unicode
ªí¥Ü; Perl ªºšçŠ¡»Pºâ²Å (šÒŠp¥¿³Wªí¥ÜŠ¡€ñ¹ï) €]¯à¹ï Unicode ¶iŠæŸÞ§@.
Šb¿é€J€Î¿é¥X®É, ¬°€F³B²z¥H Unicode €§«eªºœsœX€èŠ¡ÀxŠsªºžê®Æ, Perl
Ž£šÑ€F Encode ³o­ÓŒÒ²Õ, ¥i¥HÅý§A»Ž©öŠaŪšú€ÎŒg€JŠ³ªºœsœXžê®Æ.

Encode ©µŠùŒÒ²Õ€äŽ©€UŠC¥¿Å退€åªºœsœX€èŠ¡ ('big5' ªí¥Ü 'big5-eten'):

    big5-eten   Big5 œsœX (§t­Ê€Ñ©µŠùŠr§Î)
    big5-hkscs  Big5 + ­»Žä¥~Šr¶°, 2001 Š~ª©
    cp950       ŠrœX­¶ 950 (Big5 + ·L³n²K¥[ªºŠr²Å)

Á|šÒšÓ»¡, ±N Big5 œsœXªºÀÉ®×ÂàŠš Unicode, ¯­»ÝÁä€J€UŠC«ü¥O:

    perl -Mencoding=big5,STDOUT,utf8 -pe1 < file.big5 > file.utf8

Perl €]€ºªþ€F "piconv", €@€ä§¹¥þ¥H Perl ŒgŠšªºŠr²ÅÂàŽ«€ušãµ{Š¡, ¥ÎªkŠp€U:

    piconv -f big5 -t utf8 < file.big5 > file.utf8
    piconv -f utf8 -t big5 < file.utf8 > file.big5

¥t¥~, §Q¥Î encoding ŒÒ²Õ, §A¥i¥H»Ž©öŒg¥X¥HŠr²Å¬°³æŠìªºµ{Š¡œX, Šp€U©Ò¥Ü:

    #!/usr/bin/env perl
    # ±Ò°Ê big5 ŠrŠêžÑªR; ŒÐ·Ç¿é¥X€J€ÎŒÐ·Ç¿ù»~³£³]¬° big5 œsœX
    use encoding 'big5', STDIN => 'big5', STDOUT => 'big5';
    print length("ÀdŸm");            #  2 (Âù€Þž¹ªí¥ÜŠr²Å)
    print length('ÀdŸm');            #  4 (³æ€Þž¹ªí¥ÜŠì€ž²Õ)
    print index("œÎœÎ±Ð»£", "Μα"); # -1 (€£¥]§tŠ¹€lŠrŠê)
    print index('œÎœÎ±Ð»£', 'Μα'); #  1 (±q²Ä€G­ÓŠì€ž²Õ¶}©l)

Šb³Ì«á€@ŠCšÒ€lžÌ, "œÎ" ªº²Ä€G­ÓŠì€ž²Õ»P "œÎ" ªº²Ä€@­ÓŠì€ž²Õµ²ŠXŠš Big5
œXªº "Îœ"; "œÎ" ªº²Ä€G­ÓŠì€ž²Õ«h»P "±Ð" ªº²Ä€@­ÓŠì€ž²Õµ²ŠXŠš "α".
³ožÑšM€F¥H«e Big5 œX€ñ¹ï³B²z€W±`š£ªº°ÝÃD.

=head2 ÃB¥~ªº€€€åœsœX

ŠpªG»Ý­n§óŠhªº€€€åœsœX, ¥i¥H±q CPAN (L<http://www.cpan.org/>) €Užü
Encode::HanExtra ŒÒ²Õ. ¥Š¥Ø«eŽ£šÑ€UŠCœsœX€èŠ¡:

    cccii       1980 Š~€å«Ø·|ªº€€€åžê°T¥æŽ«œX
    euc-tw      Unix ©µŠùŠr²Å¶°, ¥]§t CNS11643 ¥­­± 1-7
    big5plus    €€€åŒÆŠì€Æ§Þ³N±ÀŒs°òª÷·|ªº Big5+
    big5ext     €€€åŒÆŠì€Æ§Þ³N±ÀŒs°òª÷·|ªº Big5e

¥t¥~, Encode::HanConvert ŒÒ²Õ«hŽ£šÑ€F²ÁcÂàŽ«¥ÎªºšâºØœsœX:

    big5-simp   Big5 ¥¿Å退€å»P Unicode ²Å退€å€¬Âà
    gbk-trad    GBK ²Å退€å»P Unicode ¥¿Å退€å€¬Âà

­Y·QŠb GBK »P Big5 €§¶¡€¬Âà, œÐ°ÑŠÒžÓŒÒ²Õ€ºªþªº b2g.pl »P g2b.pl šâ€äµ{Š¡,
©ÎŠbµ{Š¡€ºšÏ¥Î€UŠCŒgªk:

    use Encode::HanConvert;
    $euc_cn = big5_to_gb($big5); # ±q Big5 Âର GBK
    $big5 = gb_to_big5($euc_cn); # ±q GBK Âର Big5

=head2 ¶i€@šBªºžê°T

œÐ°ÑŠÒ Perl €ºªþªº€j¶q»¡©ú€å¥ó (€£©¯¥þ¬O¥Î­^€åŒgªº), šÓŸÇ²ß§óŠhÃö©ó
Perl ªºªŸÃÑ, ¥H€Î Unicode ªºšÏ¥Î€èŠ¡. €£¹L, ¥~³¡ªºžê·œ¬Û·íÂ׎I:

=head2 Ž£šÑ Perl žê·œªººô§}

=over 4

=item L<http://www.perl.com/>

Perl ªº­º­¶ (¥ÑŒÚµÜ§€œ¥qºûÅ@)

=item L<http://www.cpan.org/>

Perl ºîŠXšåÂúô (Comprehensive Perl Archive Network)

=item L<http://lists.perl.org/>

Perl ¶l»Œœ×ŸÂ€@Äý

=back

=head2 ŸÇ²ß Perl ªººô§}

=over 4

=item L<http://www.oreilly.com.tw/chinese/perl/index.html>

¥¿Å退€åª©ªºŒÚµÜ§ Perl ®ÑÂÇ

=item L<http://groups.google.com/groups?q=tw.bbs.comp.lang.perl>

»OÆW Perl ³sœu°Qœ×°Ï (€]ŽN¬OŠU€j BBS ªº Perl ³sœuª©)

=back

=head2 Perl šÏ¥ÎªÌ¶°·|

=over 4

=item L<http://www.pm.org/groups/asia.shtml#Taiwan>

»OÆW Perl ±ÀŒs²Õ€@Äý

=item L<http://irc.elixus.org/>

ÃÀ¥ßšóœu€W²á€Ñ«Ç

=back

=head2 Unicode ¬ÛÃöºô§}

=over 4

=item L<http://www.unicode.org/>

Unicode ŸÇ³NŸÇ·| (Unicode ŒÐ·Çªºšî©wªÌ)

=item L<http://www.cl.cam.ac.uk/%7Emgk25/unicode.html>

Unix/Linux €Wªº UTF-8 €Î Unicode µª«È°Ý

=back

=head2 €€€å€Æžê°T

=over 4

=item ¬°€°»ò¥s "¥¿Å退€å" €£¥s "ÁcÅ退€å"?

L<http://www.csie.ntu.edu.tw/~b7506051/mozilla/faq.html#faqglossary>

=item €€€å€Æ³nÅéÁp·ù

L<http://www.cpatch.org/>

=item Linux ³nÅ退€å€Æ­p¹º

L<http://www.linux.org.tw/CLDP/>

=back

=head1 SEE ALSO

L<Encode>, L<Encode::TW>, L<encoding>, L<perluniintro>, L<perlunicode>

=head1 AUTHORS

Jarkko Hietaniemi E<lt>jhi@iki.fiE<gt>

Autrijus Tang (­ð©vº~) E<lt>autrijus@autrijus.orgE<gt>

=cut