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ๅฆ‚ๆžœไฝ ็”จไธ€่ˆฌ็š„ๆ–‡ๅญ—็ทจ่ผฏๅ™จ้–ฑ่ฆฝ้€™ไปฝๆ–‡ไปถ, ่ซ‹ๅฟฝ็•ฅๆ–‡ไธญๅฅ‡็‰น็š„่จป่จ˜ๅญ—็ฌฆ.
้€™ไปฝๆ–‡ไปถๆ˜ฏไปฅ POD (็ฐกๆ˜Žๆ–‡ไปถๆ ผๅผ) ๅฏซๆˆ; ้€™็จฎๆ ผๅผๆ˜ฏ็‚บไบ†่ƒฝ่ฎ“ไบบ็›ดๆŽฅ่ฎ€ๅ–,
่€Œ็‰นๅˆฅ่จญ่จˆ็š„. ้—œๆ–ผๆญคๆ ผๅผ็š„้€ฒไธ€ๆญฅ่ณ‡่จŠ, ่ซ‹ๅƒ่€ƒ perlpod ็ทšไธŠๆ–‡ไปถ.

=encoding UTF-8

=head1 NAME

perltw - ๆญฃ้ซ”ไธญๆ–‡ Perl ๆŒ‡ๅ—

=head1 DESCRIPTION

ๆญก่ฟŽไพ†ๅˆฐ Perl ็š„ๅคฉๅœฐ!

ๅพž 5.8.0 ็‰ˆ้–‹ๅง‹, Perl ๅ…ทๅ‚™ไบ†ๅฎŒๅ–„็š„ Unicode (่ฌๅœ‹็ขผ) ๆ”ฏๆด,
ไนŸ้€ฃๅธถๆ”ฏๆดไบ†่จฑๅคšๆ‹‰ไธ่ชž็ณปไปฅๅค–็š„็ทจ็ขผๆ–นๅผ; CJK (ไธญๆ—ฅ้Ÿ“) ไพฟๆ˜ฏๅ…ถไธญ็š„ไธ€้ƒจไปฝ.
Unicode ๆ˜ฏๅœ‹้š›ๆ€ง็š„ๆจ™ๆบ–, ่ฉฆๅœ–ๆถต่“‹ไธ–็•ŒไธŠๆ‰€ๆœ‰็š„ๅญ—็ฌฆ: ่ฅฟๆ–นไธ–็•Œ, ๆฑๆ–นไธ–็•Œ,
ไปฅๅŠๅ…ฉ่€…้–“็š„ไธ€ๅˆ‡ (ๅธŒ่‡˜ๆ–‡, ๆ•˜ๅˆฉไบžๆ–‡, ้˜ฟๆ‹‰ไผฏๆ–‡, ๅธŒไผฏไพ†ๆ–‡, ๅฐๅบฆๆ–‡,
ๅฐๅœฐๅฎ‰ๆ–‡, ็ญ‰็ญ‰). ๅฎƒไนŸๅฎน็ดไบ†ๅคš็จฎไฝœๆฅญ็ณป็ตฑ่ˆ‡ๅนณ่‡บ (ๅฆ‚ PC ๅŠ้บฅ้‡‘ๅก”).

Perl ๆœฌ่บซไปฅ Unicode ้€ฒ่กŒๆ“ไฝœ. ้€™่กจ็คบ Perl ๅ…ง้ƒจ็š„ๅญ—ไธฒ่ณ‡ๆ–™ๅฏ็”จ Unicode
่กจ็คบ; Perl ็š„ๅ‡ฝๅผ่ˆ‡็ฎ—็ฌฆ (ไพ‹ๅฆ‚ๆญฃ่ฆ่กจ็คบๅผๆฏ”ๅฐ) ไนŸ่ƒฝๅฐ Unicode ้€ฒ่กŒๆ“ไฝœ.
ๅœจ่ผธๅ…ฅๅŠ่ผธๅ‡บๆ™‚, ็‚บไบ†่™•็†ไปฅ Unicode ไน‹ๅ‰็š„็ทจ็ขผๆ–นๅผๅ„ฒๅญ˜็š„่ณ‡ๆ–™, Perl
ๆไพ›ไบ† Encode ้€™ๅ€‹ๆจก็ต„, ๅฏไปฅ่ฎ“ไฝ ่ผ•ๆ˜“ๅœฐ่ฎ€ๅ–ๅŠๅฏซๅ…ฅ่ˆŠๆœ‰็š„็ทจ็ขผ่ณ‡ๆ–™.

Encode ๅปถไผธๆจก็ต„ๆ”ฏๆดไธ‹ๅˆ—ๆญฃ้ซ”ไธญๆ–‡็š„็ทจ็ขผๆ–นๅผ ('big5' ่กจ็คบ 'big5-eten'):

    big5-eten	Big5 ็ทจ็ขผ (ๅซๅ€šๅคฉๅปถไผธๅญ—ๅฝข)
    big5-hkscs	Big5 + ้ฆ™ๆธฏๅค–ๅญ—้›†, 2001 ๅนด็‰ˆ
    cp950	ๅญ—็ขผ้  950 (Big5 + ๅพฎ่ปŸๆทปๅŠ ็š„ๅญ—็ฌฆ)

่ˆ‰ไพ‹ไพ†่ชช, ๅฐ‡ Big5 ็ทจ็ขผ็š„ๆช”ๆกˆ่ฝ‰ๆˆ Unicode, ็ฅ—้œ€้ตๅ…ฅไธ‹ๅˆ—ๆŒ‡ไปค:

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

Perl ไนŸๅ…ง้™„ไบ† "piconv", ไธ€ๆ”ฏๅฎŒๅ…จไปฅ Perl ๅฏซๆˆ็š„ๅญ—็ฌฆ่ฝ‰ๆ›ๅทฅๅ…ท็จ‹ๅผ, ็”จๆณ•ๅฆ‚ไธ‹:

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

ๅฆๅค–, ๅˆฉ็”จ encoding ๆจก็ต„, ไฝ ๅฏไปฅ่ผ•ๆ˜“ๅฏซๅ‡บไปฅๅญ—็ฌฆ็‚บๅ–ฎไฝ็š„็จ‹ๅผ็ขผ, ๅฆ‚ไธ‹ๆ‰€็คบ:

    #!/usr/bin/env perl
    # ๅ•Ÿๅ‹• big5 ๅญ—ไธฒ่งฃๆž; ๆจ™ๆบ–่ผธๅ‡บๅ…ฅๅŠๆจ™ๆบ–้Œฏ่ชค้ƒฝ่จญ็‚บ big5 ็ทจ็ขผ
    use encoding 'big5', STDIN => 'big5', STDOUT => 'big5';
    print length("้งฑ้ง");	     #  2 (้›™ๅผ•่™Ÿ่กจ็คบๅญ—็ฌฆ)
    print length('้งฑ้ง');	     #  4 (ๅ–ฎๅผ•่™Ÿ่กจ็คบไฝๅ…ƒ็ต„)
    print index("่ซ„่ซ„ๆ•™่ชจ", "ๅฝ–ๅธข"); # -1 (ไธๅŒ…ๅซๆญคๅญๅญ—ไธฒ)
    print index('่ซ„่ซ„ๆ•™่ชจ', 'ๅฝ–ๅธข'); #  1 (ๅพž็ฌฌไบŒๅ€‹ไฝๅ…ƒ็ต„้–‹ๅง‹)

ๅœจๆœ€ๅพŒไธ€ๅˆ—ไพ‹ๅญ่ฃก, "่ซ„" ็š„็ฌฌไบŒๅ€‹ไฝๅ…ƒ็ต„่ˆ‡ "่ซ„" ็š„็ฌฌไธ€ๅ€‹ไฝๅ…ƒ็ต„็ตๅˆๆˆ Big5
็ขผ็š„ "ๅฝ–"; "่ซ„" ็š„็ฌฌไบŒๅ€‹ไฝๅ…ƒ็ต„ๅ‰‡่ˆ‡ "ๆ•™" ็š„็ฌฌไธ€ๅ€‹ไฝๅ…ƒ็ต„็ตๅˆๆˆ "ๅธข".
้€™่งฃๆฑบไบ†ไปฅๅ‰ Big5 ็ขผๆฏ”ๅฐ่™•็†ไธŠๅธธ่ฆ‹็š„ๅ•้กŒ.

=head2 ้กๅค–็š„ไธญๆ–‡็ทจ็ขผ

ๅฆ‚ๆžœ้œ€่ฆๆ›ดๅคš็š„ไธญๆ–‡็ทจ็ขผ, ๅฏไปฅๅพž CPAN (L<http://www.cpan.org/>) ไธ‹่ผ‰
Encode::HanExtra ๆจก็ต„. ๅฎƒ็›ฎๅ‰ๆไพ›ไธ‹ๅˆ—็ทจ็ขผๆ–นๅผ:

    cccii	1980 ๅนดๆ–‡ๅปบๆœƒ็š„ไธญๆ–‡่ณ‡่จŠไบคๆ›็ขผ
    euc-tw	Unix ๅปถไผธๅญ—็ฌฆ้›†, ๅŒ…ๅซ CNS11643 ๅนณ้ข 1-7
    big5plus	ไธญๆ–‡ๆ•ธไฝๅŒ–ๆŠ€่ก“ๆŽจๅปฃๅŸบ้‡‘ๆœƒ็š„ Big5+
    big5ext	ไธญๆ–‡ๆ•ธไฝๅŒ–ๆŠ€่ก“ๆŽจๅปฃๅŸบ้‡‘ๆœƒ็š„ Big5e

ๅฆๅค–, Encode::HanConvert ๆจก็ต„ๅ‰‡ๆไพ›ไบ†็ฐก็น่ฝ‰ๆ›็”จ็š„ๅ…ฉ็จฎ็ทจ็ขผ:

    big5-simp	Big5 ๆญฃ้ซ”ไธญๆ–‡่ˆ‡ Unicode ็ฐก้ซ”ไธญๆ–‡ไบ’่ฝ‰
    gbk-trad	GBK ็ฐก้ซ”ไธญๆ–‡่ˆ‡ Unicode ๆญฃ้ซ”ไธญๆ–‡ไบ’่ฝ‰

่‹ฅๆƒณๅœจ GBK ่ˆ‡ Big5 ไน‹้–“ไบ’่ฝ‰, ่ซ‹ๅƒ่€ƒ่ฉฒๆจก็ต„ๅ…ง้™„็š„ b2g.pl ่ˆ‡ g2b.pl ๅ…ฉๆ”ฏ็จ‹ๅผ,
ๆˆ–ๅœจ็จ‹ๅผๅ…งไฝฟ็”จไธ‹ๅˆ—ๅฏซๆณ•:

    use Encode::HanConvert;
    $euc_cn = big5_to_gb($big5); # ๅพž Big5 ่ฝ‰็‚บ GBK
    $big5 = gb_to_big5($euc_cn); # ๅพž GBK ่ฝ‰็‚บ Big5

=head2 ้€ฒไธ€ๆญฅ็š„่ณ‡่จŠ

่ซ‹ๅƒ่€ƒ Perl ๅ…ง้™„็š„ๅคง้‡่ชชๆ˜Žๆ–‡ไปถ (ไธๅนธๅ…จๆ˜ฏ็”จ่‹ฑๆ–‡ๅฏซ็š„), ไพ†ๅญธ็ฟ’ๆ›ดๅคš้—œๆ–ผ
Perl ็š„็Ÿฅ่ญ˜, ไปฅๅŠ Unicode ็š„ไฝฟ็”จๆ–นๅผ. ไธ้Ž, ๅค–้ƒจ็š„่ณ‡ๆบ็›ธ็•ถ่ฑๅฏŒ:

=head2 ๆไพ› Perl ่ณ‡ๆบ็š„็ถฒๅ€

=over 4

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

Perl ็š„้ฆ–้  (็”ฑๆญ่Š็ฆฎๅ…ฌๅธ็ถญ่ญท)

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

Perl ็ถœๅˆๅ…ธ่—็ถฒ (Comprehensive Perl Archive Network)

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

Perl ้ƒต้ž่ซ–ๅฃ‡ไธ€่ฆฝ

=back

=head2 ๅญธ็ฟ’ Perl ็š„็ถฒๅ€

=over 4

=item L<http://www.oreilly.com.tw/product_perl.php?id=index_perl>

ๆญฃ้ซ”ไธญๆ–‡็‰ˆ็š„ๆญ่Š็ฆฎ Perl ๆ›ธ่—‰

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

่‡บ็ฃ Perl ้€ฃ็ทš่จŽ่ซ–ๅ€ (ไนŸๅฐฑๆ˜ฏๅ„ๅคง BBS ็š„ Perl ้€ฃ็ทš็‰ˆ)

=back

=head2 Perl ไฝฟ็”จ่€…้›†ๆœƒ

=over 4

=item L<http://www.pm.org/groups/taiwan.html>

่‡บ็ฃ Perl ๆŽจๅปฃ็ต„ไธ€่ฆฝ

=item L<irc://irc.freenode.org/#perl.tw>

Perl.tw ็ทšไธŠ่Šๅคฉๅฎค

=back

=head2 Unicode ็›ธ้—œ็ถฒๅ€

=over 4

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

Unicode ๅญธ่ก“ๅญธๆœƒ (Unicode ๆจ™ๆบ–็š„ๅˆถๅฎš่€…)

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

Unix/Linux ไธŠ็š„ UTF-8 ๅŠ Unicode ็ญ”ๅฎขๅ•

=back

=head2 ไธญๆ–‡ๅŒ–่ณ‡่จŠ

=over 4

=item ไธญๆ–‡ๅŒ–่ปŸ้ซ”่ฏ็›Ÿ

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

=item Linux ่ปŸ้ซ”ไธญๆ–‡ๅŒ–่จˆๅŠƒ

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>

Audrey Tang (ๅ”้ณณ) E<lt>audreyt@audreyt.orgE<gt>

=cut

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