Just getting started with Perl? Try these free learning resources from the Perl community
Landscape ããããã¼ã¸ | < åã®æ¥ 2003-06-03 2003-06-04 次ã®æ¥ 2003-06-05 > Landscape - ã¨ã³ã¸ãã¢ã®ã¡ã¢Â 2003-06-04 Perl one liner é perl 1è¡éé å½ãµã¤ãå ã Google æ¤ç´¢ã§ãã¾ã * Perl one liner é perl 1è¡ééãã®è¨äºã®ç´ãªã³ã¯URL: Permlink | ãã®è¨äºãå±ããã«ãã´ãª: [Perl] - one linerãæ¥æ¬èªã§è¨ãã¨ä¸è¡ééããããä¸è¡ã¹ã¯ãªããã解説ãããã¼ã¸ã æã¯ããåç §ãã¦ãããgoogle ããããæ¢ãã¦ãè¦ã¤ãããªãã ä»æ¹ããªãã®ã§ãããã«è»¢è¼ãã¦ããã - Internet Archive ã§è¦ã¤ããããperl ã§ãããã ã¨ãããã¼ã¸ã®ä¸ã³ã¼ãã¼ã ã£ãããã ã http://web.archive.org/web/2
åºæ ãããããã°ã©ãã³ã°è¨èªãå®æã ã£ããâ¦â¦ï¼å ¨è¨³çï¼ï¼»çµµæé²ãã¨ã®ã¯ï¼½2008/12/21 ã«ããã¨ããã¼ãã¥ã¼æå¾ããã dankogai ã§ãã ãã¼ãã¥ã¼æå¾ãããããä¸å¸ãããªãã«éæå¤21æã«ç·æ¥ã®ä»äºãå½ããã¨ãã«ãã°ãã°ä½¿ããããåªæãããã§ã¾ã¨ãã¦ãããã¨ã«ãã¾ãã åºæ¬ä¸ã®åºæ¬ ã³ãã³ãã¨ãã¦ã®perlã¯ãã¹ã¤ããããªãå ´åãå¼æ°ã¯ã¹ã¯ãªããåã¨ãã¦æ±ããã¾ãã % cat hello.pl print "Hello, world!\n"; % perl hello.pl Hello, world! % ã³ãã³ãã©ã¤ã³ä¸ã®æååãã¹ã¯ãªããã¨ãã¦è§£éãããã«ã¯ã-eã使ãã¾ãã % perl -e'print "Hello, World!\n"' Hello, world! % ã¡ãªã¿ã«ãperlã¨ã³ãã³ãåã ãã§èµ·åããã¨ãæ¨æºå ¥åãã¹ã¯ãªããã¨ãã¦è¿ãã¾ãã %
å¹ åªå æ¢ç´¢ã§è¿·è·¯ã®æççµè·¯ãæ¢ã 2010-01-14-4 [Algorithm][Programming] è¿·è·¯ã®æççµè·¯ãæ¢ãããã°ã©ã ãä½æããã¨ããåé¡ã«ã¤ãã¦ã - 人æç²å¾ä½æ¦ã»ï¼ã試é¨åé¡ã»ã (人çãæ¸ãæããè ããããã) http://okajima.air-nifty.com/b/2010/01/post-abc6.html ããã¯åãªãå¹ åªå ã§OKã§ããã 足跡ãè¨é²ãã¦ããããã§ã«å¥ã®åãéã£ãéã«ã¶ã¤ãããï¼è¶³è·¡ã®æç¡ã§å¤å®ï¼ãè¡ãæ¢ã¾ãã«å°éãããæç©ãã å¹ åªå ãªãã ããããã§è¦ã¤ããã®ãæççµè·¯ã å¾ããã®ãæçæ§ã®ãã§ãã¯ãã¯ä¸è¦ã§ãã ãã¢ã«ã´ãªãºã ç¥ããªãã¨ã§ããªããã¨ã以åã®åé¡ã§ãæ£å¼ã«ããã°ã©ãã³ã°ã®åºç¤ãå¦ãã 人ãªãã§ãã¦å½ããåã®åé¡ã§ãããã³ã¨æ¥ãªã人ã¯ããã¤ã³ã¿ããããªããå帰ããããªã人ã¨ååããªãã ããªããªããã°ã©ãã³ã°ããã¯ä¸ç·
emacsã§æ£è¦è¡¨ç¾ã«ããç½®æãçµæ§å¿«é©ã«ä½¿ããããã«ãªã£ãã®ã§è¨é²ãã¦ããã¾ãã emacsæ¨æºã³ãã³ãã®M-x replace-regexpã¯æ¡å¼µæ£è¦è¡¨ç¾ã¨å¼ã°ããæ§æã«å¯¾å¿ãã¦ããªãã®ã§ãã¹ã¯ãªããè¨èªçã§ä½¿ç¨ã§ããæ£è¦è¡¨ç¾ãããæ©è½ãä½ã使ãã«ããã®ãåé¡ã§ããã çµè«ãå ã«æ¸ãã¾ãã¨ã以ä¸æé ã§emacsããå¿«é©ã«æ£è¦è¡¨ç¾ã«ããç½®æãè¡ããããã«ãªãã¾ããã .zshrcã«[[ $EMACS = t ]ã¨æ¸ãã¦emacsãã使ç¨ããã·ã§ã«ãzshã«è¨å®ã .zshenvã«setopt RC_QUOTESã¨æ¸ãã¦âã®ãã¹ãã許å¯ãã M-!ãM-|ããå®è¡ããã³ãã³ãã®å±¥æ´ãã·ã§ã«ã¨å ±æã㦠emacsä¸ã§C-u M-|ããperl -nle âãã¿ã¼ã³;printâã§ç½®æ ãã¦ãå§ã¾ãã¯åã®è·å ´ã®äººã®perlã®æ£è¦è¡¨ç¾ã¯åãã¨ããçºè¨ã§ãã ãã®æã¯ãã¾ãèå³ãç¡ãã£ãã®ã§ããã
ã¯ããã« ç¾å¨ä½¿ã£ã¦ããAquamacsãªemacsã®cperl-modeã®ã¤ã³ãã³ã調æ´ã®ã¡ã¢ï¼ ã¾ã ã¾ã å¾®å¦ã§ãï¼ before my $a = { a => 1, b => 2, c => { s => 10, t => 20, }, d => [ 100, 200, 300, ], }; sub hogehoge { my ($x, $y) = @_; ($y, $x); } sub fugafuga { my $param = {@_}; if ($param->{foo}) { return undef; } else { return 'hoge'; } } hogehoge( 'foo', 'bar', ); fugafuga( foo => [ qw/xxx yyy zzz /, ], bar => [ qw/ aaa bbb ccc / ], baz => { xxx
Perlæ¦ä¸é±éããã³ãã«ã¾ã£ããä½ã«ãç¥ããªãã®ã«ä¸èº«ä¸ã®é½åã§ä½¿ããã¨ã«ãªã£ã¦ãåå¼·ãã¦ã¿ããããããé©ãã¨ããããªãã¨ãããã»ã»ã»ããªã«ããæ ¹æ¬çã«ééã£ã¦ããããããªããã©ãã¨ãããã触ã£ã¦ã¿ã¦æã£ããã¨ã é¢æ°å®ç¾© sub funcname { my($arg1, $arg2, $arg3) = @_; # do something } é¢æ°å®ç¾©ã«ä»®å¼æ°ããªãã¦æ¯åããæ¸ããªãã¨ã ãã¿ãããªãã ãã©ã誰ãæå¥è¨ããªãã®ããï¼ã»ãã¨ã«ï¼ åãªãã·ã³ã¿ãã¯ã¹ã·ã¥ã¬ã¼ã§ãããã sub funcname($arg1, $arg2, $arg3) { # do something } ããæ¸ããã¦ã»ãããã ãã©ã ã³ã¼ãã£ã³ã°ãªãã¦ãã®å¤§é¨åã¯é¢æ°å®ç¾©ãªãã ãããããããã¨ããã«ã¯ããå°ãæ°ã使ã£ã¦ããã¦ãããã¨æãã»ã»ã»ã ãã¬ãã£ãã¯ã¹ã¨åå空é å¤æ°ã®åã«å¿ãã¦ãã¬ãã£ãã¯ã¹ã¤ãã
ä»åã®å¯¾è«ç¸æã¯ãã·ãã¯ã¹ã»ã¢ãã¼ãï¼â æ ªâ ï¼å¤åã§ãç¾å¨ãµã³ãã©ã³ã·ã¹ã³å¨ä½ã®å®®å·é彦ãããæ¬èªã§ãé£è¼ãç¹éã§ããã¾ã§ä½åº¦ããå·çããã ãã¦ãã¾ããã渡米ãã¦æ°å¹´ãã¢ã¡ãªã«ã§ã®çæ´»ã¯ã©ããªæããªã®ã§ããããï¼ å·¦ï¼å®®å·é彦æ°ãå³ï¼å°é£¼å¼¾æ°ï¼æ®å½±ï¼æ¦ç°åº·å®ï¼ çµæ´ å¼¾ï¼ãä¹ ãã¶ãã§ãã å®®å·ï¼ä»¥ä¸ãå®®â ï¼â ï¼ãä¹ ãã¶ãã§ããã©ããã å¼¾ï¼æåã«ãããããã¦ç°¡åãªçµæ´ãã å®®ï¼æ±äº¬å¤§å¦ã®çå¦é¨æ å ±ç§å¦ç§ã§ã³ã³ãã¥ã¼ã¿ãµã¤ã¨ã³ã¹ã®åå¼·ããã¦ãã¦ã2å¹´ã®ã¨ãã«ãªã©ã¤ãªã¼ã»ã¸ã£ãã³ã§ãã¤ããå§ãã¾ããããã®ã¨ãã¯ã³ã³ãã¥ã¼ã¿ã¨ããããäºåç³»ã®ä»äºã§ã4å¹´ã«ãªã£ãã¨ãã«ãªã³ã»ã¶ã»ã¨ãã[1]ã§ã¢ã«ãã¤ããããã1999å¹´ãä¸å ´åã§ãå¼¾ãããå ¥ãâ¦ã å¼¾ï¼åã§ãããããããå 輩ãªãã§ããããªã³ã»ã¶ã»ã¨ããã§ã¯ã å®®ï¼åã2ãµæãããåã«å ¥ã£ã¦ããããã5å¹´ãããã©ã¤ããã¢ã«ãã¦ã2005å¹´ããã·ãã¯
ã¯ã¦ãªã°ã«ã¼ãã®çµäºæ¥ã2020å¹´1æ31æ¥(é)ã«æ±ºå®ãã¾ãã 以ä¸ã®ã¨ã³ããªã®éããä»å¹´æ«ãç®å¦ã«ã¯ã¦ãªã°ã«ã¼ããçµäºäºå®ã§ããæ¨ããç¥ãããã¦ããã¾ããã 2019å¹´æ«ãç®å¦ã«ãã¯ã¦ãªã°ã«ã¼ãã®æä¾ãçµäºããäºå®ã§ã - ã¯ã¦ãªã°ã«ã¼ãæ¥è¨ ãã®ãã³ãæ£å¼ã«çµäºæ¥ã決å®ãããã¾ããã®ã§ã以ä¸ã®éãã確èªãã ããã çµäºæ¥: 2020å¹´1æ31æ¥(é) ã¨ã¯ã¹ãã¼ãå¸æç³è«æé:2020å¹´1æ31æ¥(é) çµäºæ¥ä»¥éã¯ãã¯ã¦ãªã°ã«ã¼ãã®é²è¦§ããã³æ稿ã¯è¡ãã¾ãããæ¥è¨ã®ã¨ã¯ã¹ãã¼ããå¿ è¦ãªæ¹ã¯ä»¥ä¸ã®è¨äºã«ãããã£ã¦æç¶ãããã¦ãã ããã ã¯ã¦ãªã°ã«ã¼ãã«æ稿ãããæ¥è¨ãã¼ã¿ã®ã¨ã¯ã¹ãã¼ãã«ã¤ã㦠- ã¯ã¦ãªã°ã«ã¼ãæ¥è¨ ãå©ç¨ã®ã¿ãªãã¾ã«ã¯ãè¿·æãããããããã¾ãããã©ãããããããé¡ããããã¾ãã 2020-06-25 è¿½è¨ ã¯ã¦ãªã°ã«ã¼ãæ¥è¨ã®ã¨ã¯ã¹ãã¼ããã¼ã¿ã¯2020å¹´2æ28
Blog Search when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${entry.path} [in template "__entry.ftlh" at line 3, column 25] - Reached through: #include "__entry.ftlh" [in template "entry.ftlh" at
http://subtech.g.hatena.ne.jp/miyagawa/20080708/1215473551 絶æããï¼rubyã¨æ¯è¼ããã¨ãã®perlã®é£è§£ãã«çµ¶æããï¼ #!/usr/bin/perl use strict; # ããã¯package main; BEGIN { # ããã°ã©ã ã®ã¯ããã«ãµãã«ã¼ãã³ãå®ç¾©ï¼ãªãã¦ãåããããã # ()㯠ãããã¿ã¤ãï¼ å¼æ°ãã¨ããªããã¨ãè¨æãã¦ã # Xã¯ã©ã¹ã®ã³ã³ã¹ãã©ã¯ã¿, å®ä½ã¯$sã®ãªãã¡ã¬ã³ã¹ sub X () { bless \(my $s = "ã²ã ã¾ã"), "X" } # _ == 1 ã«ãã sub _ () { 1 } } package X; # ããããXã¯ã©ã¹ã®å®ç¾© my $i; # ã¯ãã¼ã¸ã£å¤æ°ã ãã©ï¼ã¹ã³ã¼ãã¯ãã¡ã¤ã«ã ã use overload # X ãªãã¸ã§ã¯ãã® / 㨠< æ¼ç®
ã¯ã¦ãªã°ã«ã¼ãã®çµäºæ¥ã2020å¹´1æ31æ¥(é)ã«æ±ºå®ãã¾ãã 以ä¸ã®ã¨ã³ããªã®éããä»å¹´æ«ãç®å¦ã«ã¯ã¦ãªã°ã«ã¼ããçµäºäºå®ã§ããæ¨ããç¥ãããã¦ããã¾ããã 2019å¹´æ«ãç®å¦ã«ãã¯ã¦ãªã°ã«ã¼ãã®æä¾ãçµäºããäºå®ã§ã - ã¯ã¦ãªã°ã«ã¼ãæ¥è¨ ãã®ãã³ãæ£å¼ã«çµäºæ¥ã決å®ãããã¾ããã®ã§ã以ä¸ã®éãã確èªãã ããã çµäºæ¥: 2020å¹´1æ31æ¥(é) ã¨ã¯ã¹ãã¼ãå¸æç³è«æé:2020å¹´1æ31æ¥(é) çµäºæ¥ä»¥éã¯ãã¯ã¦ãªã°ã«ã¼ãã®é²è¦§ããã³æ稿ã¯è¡ãã¾ãããæ¥è¨ã®ã¨ã¯ã¹ãã¼ããå¿ è¦ãªæ¹ã¯ä»¥ä¸ã®è¨äºã«ãããã£ã¦æç¶ãããã¦ãã ããã ã¯ã¦ãªã°ã«ã¼ãã«æ稿ãããæ¥è¨ãã¼ã¿ã®ã¨ã¯ã¹ãã¼ãã«ã¤ã㦠- ã¯ã¦ãªã°ã«ã¼ãæ¥è¨ ãå©ç¨ã®ã¿ãªãã¾ã«ã¯ãè¿·æãããããããã¾ãããã©ãããããããé¡ããããã¾ãã 2020-06-25 è¿½è¨ ã¯ã¦ãªã°ã«ã¼ãæ¥è¨ã®ã¨ã¯ã¹ãã¼ããã¼ã¿ã¯2020å¹´2æ28
Perlãå¾æã§ãªãçè ã¯ãWindowsã§Perl = Active Perlã¨ããå¼ãã§ãããã£ã¦ãããããã¦ãCPANã使ããã¨æã£ã¦ã¨ã©ã¼ãåºã¦ãã¾ããPPMã使ãã®ã ããä½ããã¾ãã¡â¦ã¨ããæãå¦ããªãã£ãã Strawberry Perlã®å ¬å¼ãµã¤ãã巨大ãªã¤ãã´ãç®å°ã æããWindowsã§Perlã使ããã¦ããæ¹ã®ä¸ã«ã¯åãæããããæ¹ãããã¯ãã ãããã§ãPerlã®å®è¡ç°å¢èªä½ãå¤ãã¦ãã¾ããã ä»åç´¹ä»ãããªã¼ãã³ã½ã¼ã¹ã»ã½ããã¦ã§ã¢ã¯Strawberry PerlãCPANããã®ã¾ã¾ä½¿ããPerlå®è¡ç°å¢ã ã ActivePerlãnmakeãã¼ã¹ã§ããã®ã«å¯¾ããStrawberry Perlã¯gccã使ã£ã¦ç°å¢ãæ§ç¯ããããã®ãããCPANããã®ã¾ã¾å©ç¨ã§ããããã«ãªã£ã¦ããã使ãåæãããã¶ãè¯ããªã£ã¦ããã ãã¼ã¸ã§ã³æ å ± ã¾ããææ°çã§ã¯PPMãPARããµã
ref:Perl, Python, Ruby ã®æ¯è¼ ref:ã¯ã¦ãªããã¯ãã¼ã¯ - Perl, Python, Ruby ã®æ¯è¼ ref:ã¯ã¦ãªããã¯ãã¼ã¯ - Perl, Python, Ruby ã®æ¯è¼ ã¡ãã£ã¨é ããªã£ãã以å宣è¨ããã¨ãããæ¸ãã¦ããã ãPerl, Python, Ruby ã®æ¯è¼ãã¯ã©ãã調æ»ã足ããªãã®ããçµæçã«ããªãåã®ã¾ãã£ãæç« ã«ãªã£ã¦ãããããã¾ã§ãåå¿è ã®ç§è¦ã§ãã®ã§æ°è»½ã«èãæµãã¦ãã ãããã¨ã¯ãããã®ã®ãã¯ã¦ãã®ã³ã¡ã³ãçã§ãåèã«ãªããã¨ãè¨ã£ã¦ãã人ããã*1ã®ã§ä¸å¿ææãã¦ãããã¨æãã 3.2 次㫠Python å¤æ°ã¯ããã©ã«ãã§å±æå¤æ°ã¨ãªãã®ã§ã Perl ã®ããã« my ã§å®£è¨ããå¿ è¦ã¯ããã¾ããã my ãå¼·å¶ãããã¨ã§å¤æ°ã® typo ãé²ããã¨ããè¦ç¹ãæããã®ã¯è¥å¹²ãã§ã¢ã§ã¯ãªãã§ããã ãããããPython ã«ã¯
NAME Ruby - Perl interface to Ruby interpreter SYNOPSIS use Ruby ':DEFAULT', -require => 'complex', # load Ruby's library 'digest/md5', # load Ruby's extention -function => 'Rational', # import Ruby's function -class => qw(GC Object), # import Ruby's classes -module => qw(Kernel), # synonym for -class -variable => ['$!' => '$rb_errinfo'], # $! as $rb_errinfo -function => ['String' => 's'], # Strin
2008å¹´06æ03æ¥06:00 ã«ãã´ãªLightweight Languages perl -ãåæã«æ·»å - Perlå ¥é#1@ITPro ãããã«åºå ¸ãæ¥çµLinux 2003å¹´7æå·ã ããã£ã¦ãå°ããã¦ããã£ã¦ã¯ãããã©ãç¾å¨ã§ãããããªä¿®æ£ã§ä½¿ããè¨äºããããå·åããã¨ãã£ãã¨ãããã 第1åãPerlã®ææ³ã®åºæ¬ï¼ITpro ã¨ããããã§ããã®è¨äºã®ãç¾ä»£åãPatchãã å ¨è¬ use strict;ã ãã§ã¯ãªãuse warnings;ãå ãã¾ãããã ããã«ï¼èª¿ã¹ã¦ãåãããªããã¨ãããã°ï¼ã¡ã¼ãªã³ã°ã»ãªã¹ããã¦ã¼ã¶ã¼ã»ã°ã«ã¼ãï¼2ã«è³ªåãã¦ã¿ã¦ãããã§ãããã blogã«æ¸ãã®ãã¢ãªã§ãããã¨ç§ã¯ä½¿ã£ã¦ããªããã©IRCã¨ãã ãã«ãã¤ã³é¢æ°ã¯()ã§ããããªãæ¹ãè¦èªæ§ãä¸ããã¾ãã before: chomp($sLine); after: chomp $sLine;
Perlå ¥å¦å¼ å ¨6åã®Perlå ¥éè¬åº§ãæ±äº¬ã大éªãæ²ç¸ãæå¹ã§éå¬ã(æ±äº¬ã¯4æã¨10æã¹ã¿ã¼ãããã以å¤ã¯5æã¹ã¿ã¼ã) YAPC::Japan Perlã軸ã¨ããITã«é¢ããå ¨ã¦ã®äººã®ããã®ã«ã³ãã¡ã¬ã³ã¹ã æ±äº¬ å祥寺.pm äºåç°.pm å¤§éª ãªã«ãPerl æ²ç¸ æ²ç¸.pm
Perl Mongers Perl Mongers ã¨ã¯ãæ¥æ¬åå°ã«åå¨ãããPerl ã¦ã¼ã¶ã¼ã®ã³ãã¥ããã£ã®ãã¨ã§ããå種ã¤ãã³ããè¡ããã¦ãã¾ãã®ã§ãæ¯éåå ãã¦ã¿ã¾ãããã Shibuya.pm Fukuoka.pm Kansai.pm (@kansaipm) Yokohama.pm (@yokohamapm) Hokkaido.pm (@hokkaidopm) Nagoya.pm (@nagoyapm) Kushiro.pm (@kushiropm) Kyoto.pm (@kyotopm) Kamakura.pm Niigata.pm (@niigatapm) Sendai.pm (@sendaipm) Tokyo.pm Hachioji.pm (@hachiojipm) Chiba.pm (@chibapm) Yomitan.pm (@yomitanpm) Machida.pm
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}