1. Perlã®åºæ¬ãšãã®éèŠæ§
Perlãšã¯ãããã°ã©ãã³ã°èšèªã®äžã€ã§ãããã¹ãåŠçã®èœåãžã®åŒ·ã泚ç®ããçã¿åºãããŸããããªãPerlãéçºãããã©ã®ãããªåœ¹å²ãæãããŠããã®ãã詳ããèŠãŠãããŸãããã
Perlã¯1980幎代ã«éçºãããæ§ã ãªã·ã¹ãã ã§åºã䜿ãããŠããŸããããã®åŒ·åãªããã¹ãåŠçèœåãšãæ±çšæ§ã®é«ããããWebéçºãå§ããæ§ã ãªåéã§å©çšãããŠããŸãã
ä»æ¥ã§ãPerlã¯ãã®åœ¹å²ãšéèŠæ§ãç¶æããŠããŸããããã§ã¯ãPerlã®å ·äœçãªç¹åŸŽãšå©ç¹ãããã«ã¯Perlã®å©çšå Žé¢ã«ã€ããŠèŠãŠãããŸãããã
1.1 Perlã®æŠèŠ
Perlã¯Larry Wallã«ãã£ãŠéçºãããããã°ã©ãã³ã°èšèªã§ãç¹ã«ããã¹ãåŠçã«åŒ·ãããšã§ç¥ãããŠããŸããããã¯ãPerlã®åŒ·åãªæ£èŠè¡šçŸãšã³ãžã³ã«èµ·å ããŠããŸãã
ããã«ãPerlã¯ã¹ã¯ãªããèšèªã§ãããªãããCèšèªãsedãawkãšãã£ãèšèªã®ç¹æ§ãããåãããããšã§ãéåžžã«æè»ã§åŒ·åãªèšèªãšããŠèšèšãããŸããã
以äžã®çç±ãããPerlã¯çŸåšã§ããã·ã¹ãã 管çãCGIã¹ã¯ãªããäœæãWebéçºãªã©æ§ã ãªå Žé¢ã§å©çšãããŠããŸãã
1.2 Perlã®ç¹åŸŽãšå©ç¹
Perlã®äžçªã®ç¹åŸŽã¯ãã®åŒ·åãªããã¹ãåŠçèœåã§ããããã¯ãPerlãæ£èŠè¡šçŸãšã³ãžã³ãå å ããŠãããšããäºå®ã«ãããã®ã§ãããã«ããè€éãªããã¹ãæäœãç°¡åã«è¡ãããšãå¯èœã§ãã
ãŸããPerlã¯ã¹ã¯ãªããèšèªã§ãããããå°èŠæš¡ããäžèŠæš¡ã®ãããžã§ã¯ãã«åããŠãããéçºé床ãéèŠãããå Žé¢ã§ã¯Perlãéžã°ããããšãå€ãã§ãã
ããã«ãPerlã¯ãªãŒãã³ãœãŒã¹ã®èšèªã§ãããããäžçäžããã®ãŠãŒã¶ãŒã®è²¢ç®ã«ãããå€ãã®ã©ã€ãã©ãªãã¢ãžã¥ãŒã«ãå©çšå¯èœã§ãããããPerlã®å€§ããªå©ç¹ã®äžã€ã§ãã
1.3 Perlã®å©çšå Žé¢
Perlã¯ãã®ç¹æ§ãããã·ã¹ãã 管çãWebéçºãCGIã¹ã¯ãªããäœæãªã©ãæ§ã ãªå Žé¢ã§å©çšãããŠããŸãã
äŸãã°ãã·ã¹ãã 管çã§ã¯ããã°ãã¡ã€ã«ã®è§£æãç£èŠã¹ã¯ãªããã®äœæãªã©ã«Perlã䜿ãããŸãããã®åŒ·åãªããã¹ãåŠçèœåã掻ããå Žé¢ã§ãã
ãŸããWebéçºã§ã¯ãPerlã¯ãã®é床ãšææ·æ§ãããããã¯ãšã³ãã®éçºã«ç¹ã«å¥œãŸããŠããèšèªã§ãã
1.4 Perlã®åŠç¿æ¹æ³ãšåèæžç±
Perlã¯æ¯èŒçç¬ç¹ãªææ³ãæã€ãããä»ã®ããã°ã©ãã³ã°èšèªã®ç¥èãããæ¹ã§ããåããŠPerlãåŠã¶éã¯å°éçãªåŠç¿ææã䜿ãããšãæšå¥šãããŸãã
å ·äœçã«ã¯ã”Learning Perl” ã “Programming Perl” ãšãã£ããPerlã«ç¹åããæžç±ãããããã§ãããããã¯Perlèªäœã®äœè ã§ããLarry Wallãå ±èè ãšãªã£ãŠãããä¿¡é Œæ§ã®é«ãåèæžã§ãã
ãã¡ããããªã³ã©ã€ã³ãªãœãŒã¹ãè±å¯ã«ãããŸããããšãã°ãPerlå ¬åŒã®ããã¥ã¡ã³ããŒã·ã§ã³ããŒãžããGitHubäžã®Perlãããžã§ã¯ããªã©ã§ãããããã®ãªãœãŒã¹ã掻çšããPerlã®èªåœãšææ³ãããã«ã¯Perlã®ãäžè¬çãªã䜿ãæ¹ã身ã«ä»ããŠããããšãéèŠã§ãã
2. Perlã®è³æ Œãšã¯
Perlã®è³æ Œãšã¯ãPerlèšèªã®ç¥èãšã¹ãã«ãèªå®ãããã®ã§ããPerlã¯åºç¯å²ãªã·ã¹ãã 管çäœæ¥ãç°¡åã«ããªãããšãã§ããã¹ã¯ãªããèšèªã§ã70幎代ãã掻èºããŠããŸãããã®èšèªã®è³æ Œã¯ããã®æè¡åãç¥èã蚌æããŸãã
ç¹ã«ãµãŒããŒãµã€ãã®ã¹ã¯ãªããäœæããããã¹ãåŠçãã·ã¹ãã 管çãè¡ãéã«ãPerlã®ç¥èã¯éåžžã«æçšã§ããPerlã®è³æ Œãæã€ããšã§ããã®ãããªæ¥åã®ã¹ãã«ã蚌æã§ããŸãã
Perlã®è³æ Œã¯ãITæ¥çã§å¹ åºãèªç¥ãããŠãããPerlã§ã®éçºã¹ãã«ã蚌æããããšãå¯èœãšãªããŸãããŸããäŒæ¥ã®æ¡çšæãæé²æã«ãããŠå€§ããªã¢ããŒã«ãã€ã³ããšãªãããšã§ãããã
2.1 Perlèªå®è©Šéšã®æŠèŠ
Perlèªå®è©Šéšã¯ãPerlããã°ã©ã ã®åºç€ç¥èãå®åçµéšãåãè©Šéšã§ãããã®è©Šéšã«åæ Œããããšã§ããŠãŒã¶ãŒã¯Perlã®æè¡è ãšããŠã®ã¹ãã«ã蚌æããããšãå¯èœãšãªããŸãã
ãã®è©Šéšã¯ãäž»ã«åé¡è§£æ±ºèœåãšPerlã«é¢ããçè«çãªç¥èã枬å®ããŸããè©Šéšå 容ã¯ãPerlã®åºç€ãäžå¿ã«åºé¡ãããæ£ç¢ºãªã³ãŒããäœæã§ããèœåãåããŸãã
ãŸããè©Šéšã¯éåžžããªã³ã©ã€ã³ã§è¡ãããç¹å®ã®ãã¹ãã»ã³ã¿ãŒã«èšªåããå¿ èŠã¯ãããŸããã
2.2 Perlè³æ Œã®çš®é¡
Perlè³æ Œã¯åºæ¬çã«ã¯1çš®é¡ã§ããããã¯ãPerlèªå®æè¡è ãã§ããããã¯ãPerlã®ææ³ãéçšã¹ãã«ã察象ã«ããè³æ Œèªå®è©Šéšã§ãã
ãã®è©Šéšã§ã¯ãPerlã®åºæ¬çãªææ³ãããŒã¿æ§é ããªããžã§ã¯ãæåãã¢ãžã¥ãŒã«ã®äœ¿çšããããã°æè¡ãªã©å€å²ã«ãããç¥èãå¿ èŠãšãªããŸãã
Perlèªå®æè¡è ã¯ãPerlãçšããéçºæ¥åãè¡ããããšèããŠããæ¹ããããã¯Perlã®ã¹ãã«ãå ¬åŒã«èšŒæããããšèããŠããæ¹ã«ãªã¹ã¹ã¡ã®è³æ Œã§ãã
2.3 Perlè³æ ŒãååŸããã¡ãªãã
Perlè³æ ŒãååŸãããšããŸãèªèº«ã®Perlã«å¯Ÿããç¥èãšã¹ãã«ã蚌æãããããšãæ倧ã®ã¡ãªãããšãªããŸãã
ãŸããPerlè³æ Œãæã£ãŠãããšãéçºããŒã ãäŒæ¥ã®äžå¡ãšããŠPerlãçšããéçºæ¥åãæ åœã§ããããšãèªèãããèªèº«ã®åžå ŽäŸ¡å€ãé«ãŸããŸãã
ããã«ãPerlè³æ Œã¯ãPerlã®ææ°æ å ±ããã¬ã³ãã«ã€ããŠåŠã¶ããšã奚å±ãããã®çµæãšããŠPerlã¹ãã«ã®åäžã«çµã³ã€ããŸãã
2.4 Perlè³æ ŒååŸè ã®å£°
Perlè³æ ŒãååŸããæ¹ã¯ãPerlã®å°éç¥èãæã€æè¡è ãšããŠèªèããããããèªä¿¡ãšå®çžŸãç¯ãããšãã§ããŸãã
ãŸããPerlè³æ Œãæã€ããšã§ãPerlã䜿çšãããããžã§ã¯ãã«é¢äžããæ©äŒãå¢ãããããªãã¹ãã«ã¢ããããã£ãªã¢ã¢ãããæããããšãã§ããŸãã
å€ãã®Perlè³æ ŒååŸè ããããPerlã®åºç€ãåºããè¯ãæ©äŒã«ãªã£ãããPerlã®ã¹ãã«ãåŠå®ã«ç€ºãããšãã§ããèªåã®åžå ŽäŸ¡å€ãã¢ãããããããšãã§ããããšãã声ãå¯ããããŠããŸãã
3. Perlè³æ Œè©Šéšã®å¯Ÿç
Perlè³æ Œè©Šéšã¯ãåºæ¬çãªPerlããã°ã©ãã³ã°ã¹ãã«ã蚌æããããã®éèŠãªæ段ãšãªããŸãããã®ã»ã¯ã·ã§ã³ã§ã¯ãè©Šéšã®åºé¡å 容ã察çæ¹æ³ãåŠç¿èšç»ã®äœææ¹æ³ãããã³åèæžã«ã€ããŠè§£èª¬ããŠãããŸãã
3.1 Perlè³æ Œè©Šéšã®åºé¡å 容
Perlè³æ Œè©Šéšã®åºé¡å 容ã¯ãäž»ã«Perlã®åºæ¬çãªææ³ãæšæºã¢ãžã¥ãŒã«ã®ç解ãæ£ç¢ºãªã³ãŒããæžãèœåãããã«ã¯Perlããã°ã©ã ã®ãããã°èœåãªã©ãåããã®ã§ãã
ãŸããæ£èŠè¡šçŸãããŒã¿æ§é ããªããžã§ã¯ãæåããã°ã©ãã³ã°ãªã©ã®Perlåºæã®æ©èœã«å¯Ÿããç解ãæ±ããããŸãã
æåŸã«ãPerlã§ã®ãããã¯ãŒãã³ã°ãããŒã¿ããŒã¹æ¥ç¶ãªã©ãç¹å®ã®ã¢ããªã±ãŒã·ã§ã³é åã®ç¥èãããçšåºŠå¿ èŠãšãããŸãã
3.2 Perlè³æ Œè©Šéšã®å¯Ÿçæ¹æ³
å¹æçãªPerlè³æ Œè©Šéšã®å¯Ÿçæ¹æ³ã®äžã€ã¯ãå€ãã®Perlã³ãŒããæžãããšã§å®éã®çµéšãç©ãããšã§ãã
å ¬åŒã®Perlããã¥ã¡ã³ããŒã·ã§ã³ãã€ã³ã¿ãŒãããäžã®ãªãœãŒã¹ã掻çšããŠç¥èãæ·±ããçåãå°é£ã解決ããç·Žç¿ãéãããšãšãã«ç解ãæ·±ããŠãããšè¯ãã§ãããã
ããã«ãéå»ã®åé¡ã解ãããšã§ãè©Šéšã«åºãå¯èœæ§ã®ããåé¡ã¿ã€ããç解ããèªèº«ã®åŒ±ç¹ãæŽãåºããŸãããã
3.3 Perlè³æ Œè©Šéšã®åŠç¿èšç»äœã
Perlè³æ Œè©Šéšã®åŠç¿èšç»ãäœãéã«ã¯ãèªèº«ã®çŸåšã®ç¥èã¬ãã«ããåºçºããã©ã®ãããã¯ã«ã©ããããã®æéãå²ãã¹ããã決å®ããŸãããã
äžè¬çã«ãPerlã®åºæ¬çãªææ³ãšæšæºã¢ãžã¥ãŒã«ãæ£èŠè¡šçŸãããŒã¿æ§é ã«ã¯ããªãã®æéãå²ãå¿ èŠããããŸãã
次ã«ãç·Žç¿åé¡ãšãã£ãŒãããã¯ã䜿ã£ãŠãç解ãæ·±ãã匱ç¹ãå æããæéãèšç»ã«å«ããŠãã ããã
3.4 Perlè³æ Œè©Šéšã®åèæž
è³è³ªåŒ·åã«ã¯é©åãªPerlè³æ Œè©Šéšã®åèæžã®å©çšãæå¹ã§ããåèæžã¯ãåºæ¬çãªå 容ããé«åºŠãªãããã¯ãŸã§åŸ¹åºçã«è§£èª¬ããå ·äœçãªäŸã§ç解ãå©ããŠãããŸãã
ãŸããå€ãã®åèæžã«ã¯æŒç¿åé¡ãè©Šéšã®æš¡æ¬åé¡ãå«ãŸããŠãããããããå©çšããããšã§å®éã®è©Šéšã«è¿ã圢åŒã§ã®åŠç¿ãå¯èœã§ãã
éžã¶éã«ã¯ãèªèº«ã®åŠç¿ã¹ã¿ã€ã«ãå¿ èŠãªç¥èã¬ãã«ã«åã£ããã®ãéžã¶ããšãèå¿ã§ãã
4. Perlè³æ ŒååŸåŸã®æŽ»çš
Perlè³æ ŒãååŸãããšããã®å¿çšç¯å²ã¯åºãããŸããPerlã¯ã¹ã¯ãªããã£ã³ã°èšèªã®äžã€ã§ãããWebéçºãã·ã¹ãã 管çãããŒã¿åæãªã©æ§ã ãªåéã§æŽ»çšãããŸããååŸããPerlè³æ Œã«ãããããå°éçãªã¹ãã«ãæã€ããšãå¯èœã«ãªããäžå±€ã®ãã£ãªã¢ã¢ããã«ç¹ããã§ãããã
ãããŠãPerlã®å°éç¥èãæã€ããšã«ãããä»äºã®å¹ ãåºãããŸãããã®è³æ Œã¯ãç¹ã«æè¡çãªã¹ãã«ãå¿ èŠãšããè·çš®ã§ããããã°ã©ãã³ã°ãã·ã¹ãã ãšã³ãžãã¢ãªã³ã°ã®åéã§æçšã§ãã
ããã«çŽ æŽãããããšã«ãPerlè³æ Œãæã€ããšã§åŸ éãæ¹åãããå¯èœæ§ããããŸããããªããPerlã®å°é家ã§ããããšã蚌æãããã®è³æ Œã¯ãããªãã®ã¹ãã«ãšçµéšã瀺ã匷åãªããŒã«ãšãªããŸãã
4.1 Perlè³æ Œã掻ããè·çš®
Perlè³æ Œã掻ããããäž»ãªè·çš®ã¯ããœãããŠã§ã¢ãšã³ãžãã¢ãããã·ã¹ãã ãšã³ãžãã¢ãããWebéçºè ããªã©ã§ããPerlã䜿ã£ãŠãããŒã¿ããŒã¹ã®ç®¡çãWebã¢ããªã±ãŒã·ã§ã³ã®éçºããã°ç®¡çãªã©ãè¡ããŸãã
ãŸãããããŒã¿åæè ããããããã¯ãŒã¯ãšã³ãžãã¢ããªã©ãPerlã®æè¡ã掻ããããè·çš®ã§ããPerlã¯ããã¹ãåŠçèœåã«åªããŠããããã倧éã®ããŒã¿ãæ±ããããªè·çš®ã§ãå©çšãããŸãã
ããã«ããã·ã¹ãã 管çè ããPerlã®ã¹ãã«ãå¿ èŠãšããŸããPerlã®ã¹ã¯ãªããã¯ãµãŒããŒã®ç®¡çããããã¯ãŒã¯ã®ç£èŠãåé¡çºçæã®ãã©ãã«ã·ã¥ãŒãã£ã³ã°ãªã©ã·ã¹ãã ç¶æã«æ¬ ãããªããã®ãšãªã£ãŠããŸãã
4.2 Perlè³æ Œãæã€ãšåŸãããåŸ é
Perlè³æ Œãæã€ãšåŸ éæ¹åã«ç¹ããå¯èœæ§ããããŸããPerlã¹ãã«ãæã€ãšããããšã¯ããã®åéã§ã®å°éç¥èãšé«ãåé¡è§£æ±ºèœåãæã€ããšã蚌æãããã®ã§ãã
Perlè³æ Œãæã€ããšã§ãããé«åºŠãªè·åãæ åœããããšãå¯èœã«ãªããããã¯ããé«ãå ±é ¬ã«ç¹ããå¯èœæ§ããããŸãããŸããPerlã®ãšãã¹ããŒããšããŠèªå®ãããããšã§ãå°±è·ãæé²ã®éã«ç«¶äºåãæã€ããšãå¯èœã§ãã
ãŸããPerlè³æ Œãæã€ããšã«ãããã¯ã©ã€ã¢ã³ããäžåžããã®ä¿¡é ŒãåŸãããã§ããããããªãããã®åéã®ã¹ãã·ã£ãªã¹ãã§ãããšããããšã蚌æããããšã¯ãããå€ãã®è²¬ä»»ãšãã£ã³ã¹ãåŸãããšã«ã€ãªããã§ãããã
4.3 Perlè³æ Œã掻ããããããžã§ã¯ãäºäŸ
Perlè³æ Œã掻ããããããžã§ã¯ããšããŠã¯ããœãŒã·ã£ã«ã¡ãã£ã¢ã®ããŒã¿åæãCRMã®èªååãWebã¢ããªã±ãŒã·ã§ã³éçºãªã©ããããŸãããããã®ãããžã§ã¯ãã§ã¯ãPerlã®åŒ·åãªããã¹ãåŠçèœåãã¹ã¯ãªããäœæèœåã掻ããããŸãã
ãŸããPerlã¯ãµãŒããŒç®¡çããã°ç®¡çã®èªååã«ãçšããããããã«ããã·ã¹ãã ã®å®å®æ§ãä¿ã€ããã®æ¥åãå¹çåããŸããPerlè³æ Œãæã€ããšã§ããã®ãããªæ¥åãä»»ããããä¿¡é ŒãåŸãããšãã§ããŸãã
ããã«ãPerlã®ã¹ã¯ãªããã£ã³ã°èœåã掻ãããããŒã¿ããŒã¹ã®é£æºããããåŠçãè¡ããããžã§ã¯ãããããŸãããããããããžã§ã¯ãã§ã¯ãPerlã®ç¹é·ãæ倧éçºæ®ã§ããŸãã
4.4 Perlè³æ Œã®æŽæ°ãšã¹ãã«ã¢ãã
Perlè³æ Œã®æŽæ°ã¯ç¹ã«å¿ èŠãããŸããããPerlã®æ°ããããŒãžã§ã³ããªãªãŒã¹ããããã³ãæ°ããªç¹åŸŽãé¢æ°ãè¿œå ããããããå®æçãªåŠç¿æŽæ°ãå¿ èŠãšãªããŸãã
ãŸããPerlã¹ãã«ãããæ·±åãããããã«ã¯ãPerlã«é¢é£ããä»ã®æè¡ãåŠã¶ããšãéèŠã§ããPerlãšäžç·ã«äœ¿ãããæè¡ãšããŠã¯ãLinuxãApacheãMySQLãPHPãªã©ããããŸãã
å ããŠãå®æçã«Perlã³ãã¥ããã£ããã©ãŒã©ã ããã§ãã¯ããææ°ã®æ å ±ãåŸãããšãéèŠã§ããPerlã¯è±å¯ãªã©ã€ãã©ãªãã¢ãžã¥ãŒã«ããããŸãã®ã§ããããã®æŽ»çšãèããŠãããŸãããã
5. Perlè³æ ŒååŸãæ©ãããã®ã¹ããã
Perlã¯ã¹ã¯ãªããèšèªã®äžã€ã§ããã®å€æ©èœæ§ãšçµæŽ»æ§ããå€ãã®ããã°ã©ããŒã«æçšãããŠããŸãããããããã®èœåãååã«åŒãåºãããã«ã¯ãé©åãªç¥èãšçµéšãå¿ èŠãšãªããŸããæ¬ç« ã§ã¯ãPerlã®è³æ ŒååŸãç®æã人ã ã®ããã«å¿ èŠãªã¹ããããé ãè¿œã£ãŠè§£èª¬ããŸãã
ãŸãã¯Perlã®è³æ ŒååŸã«è³ããŸã§ã®åºç€ç¥èããã£ãããšèº«ã«ã€ããããšã倧åã§ãããããŠããã蚌æããããã«ã¯è³æ Œãäžå¯æ¬ ã§ããã®ååŸã«ã¯ã·ã¹ãããã£ãã¯ãªå匷æ¹æ³ãæ¬ ãããŸããã
Perlè³æ ŒååŸãç®æãäžã§ã®åã¹ããããèŠãŠãããŸãããã
5.1 PerlåçŽè ãè³æ ŒååŸãããŸã§ã®éã®ã
PerlåçŽè ãæåã«ååŸããã¹ãè³æ Œã¯ããPerl Certified Junior Engineerãã§ãããã®è³æ Œã¯ãPerlããã°ã©ãã³ã°ã®åºæ¬çãªç¥èãšèœåãèªå®ãããã®ã§ãã
ãã®ãããªåçŽè³æ Œã®ååŸãéããŠãPerlã®åºæ¬çãªææ³ãæ§æãç解ããã·ã³ãã«ãªPerlããã°ã©ã ãäœæããèœåã身ã«ã€ããããšãã§ããŸãã
ãŸãããã®æ®µéã§Perlã®åºç€ããã£ãããšç解ããŠããããšãã次ã«é²ãããã®äžæ©ãšãªããŸãã
5.2 äžçŽè ãæŽã«ã¹ãã«ã¢ããããããã®è³æ Œ
次ã«äžçŽè ãç®æãã¹ãè³æ Œã¯ãPerl Certified Engineerãã§ãããã®è³æ Œã¯ãåçŽè ãåºç€ãä¿®åŸããäžã§ãããäžæ®µéæ·±ãPerlã®ç¥èãæã€ããšã蚌æããŸãã
ããã§ã¯ãPerlã®åŒ·åãªæ£èŠè¡šçŸãã¢ãžã¥ãŒã«ã®æŽ»çšæ¹æ³ãããŒã¿ããŒã¹æ¥ç¶ãªã©ã®ãããå°éçãªéšåãåŠã³ãŸãã
ãã®æ®µéã§èº«ã«ã€ããèœåãæã€ããšã§ãPerlã®å¯èœæ§ãããåºãæ·±ãåŒãåºãããšãå¯èœãšãªããŸãã
5.3 Perlã®å°é家ãç®æãããã®è³æ Œ
ãããŠãPerlã®å°é家ãç®æãã«ã¯ãPerl Certified Master Engineerãã®ååŸãå¿ èŠã§ãããã®æé«äœã®è³æ Œã¯ãPerlã®ç¥èãšçµéšã®è±å¯ãã蚌æããŸãã
ããã§ã¯Perlã®æ·±éšãŸã§æ¢æ±ããPerlã®æ¬è³ªçãªåãåŒãåºãããã®ç¬èªã®è§£æ±ºçãæã«å ¥ããããšãæ±ããããŸãã
ãã®è³æ Œãæã€ããšã§ãPerlã®ãšãã¹ããŒããšããŠèªç¥ããã極ããŠé£è§£ãªèª²é¡ã«å¯ŸåŠããèœåãæãããšèªèãããŸãã
5.4 Perlè³æ ŒååŸãžã®æåŸã®äžæ©
ããããã®è³æ ŒååŸã«ã¯æéãšåŽåãå¿ èŠã§ããããã®äŸ¡å€ã¯çµ¶å€§ã§ããPerlãšãã匷åãªããŒã«ã䜿ãããªãããã®éèŠãªã¹ãã«ã身ã«ã€ããããšãã§ããŸãã
ãŸããPerlè³æ ŒãååŸããããšã§ãä»ã®å€ãã®Perléçºè ãšå·®å¥åããããšãå¯èœãšãªããå°±è·ããããžã§ã¯ããžã®åå ã«ãããŠå€§ããªã¢ããã³ããŒãžãåŸãããšãã§ããŸãã
æåŸã«ãæåãžã®éã®ãã¯äžæ©äžæ©ã®ç©ã¿éããããªãããšãèŠããŠãããŸããããå°ããã€ã§ãé²ãã§ããã°ãå¿ ããç®æšã¯éæã§ããã¯ãã§ããPerlã®è³æ ŒååŸã«åããŠãä»æ¥ããå§ããŠã¿ãŸãããã
6. ãŸãšãïŒPerlè³æ ŒååŸãžã®éæ·»ã
Perlã®è³æ Œã¯ãPerlèšèªã«é¢ããè±å¯ãªç¥èãšãé«åºŠãªã¹ãã«ãæã£ãŠããããšã蚌æããçŽ æŽãããããŒã«ã§ããæ¬èšäºã§ã¯ããã®ååŸã®æ矩ãéã®ããšæºåããããŠååŸåŸã®ãã£ãªã¢ãã¹ã«ã€ããŠãããããã解説ããŸãã
6.1 Perlè³æ ŒååŸã®æ矩
Perlè³æ Œã®ååŸã¯ãPerlèšèªã«é¢ããå æ¬çãªç¥èãšã¹ãã«ã蚌æããå ¬çãªèšŒææžãšããŠãITæ¥çå å€ã§åºãèªç¥ãããŠããŸããããã¯Perlã®å°éæ§ã磚ãã€ã€ãITè·ãžã®å°±è·ã»è»¢è·ãã¹ãã«ã¢ãããå³ãããã®äžå©ãšãªããŸãã
ãŸããPerlè³æ ŒãååŸããããšã§ãPerlãçšããéçºãããžã§ã¯ãã«åå ããéã®ä¿¡é Œæ§ãšéææ§ãåäžããŸããããã¯äŸé Œè ãéçšäž»ã«å¯ŸããŠãããªããPerlã®å°é家ã§ãããšèšŒæããæ段ãšãªããŸãã
ããã«ãPerlè³æ Œã¯æã¡äž»ã®è²¢ç®åºŠã瀺ãã絊äžäº€æžãæé²ã®å€æææãšãªãå¯èœæ§ããããšèšããã§ãããã
6.2 Perlè³æ ŒååŸãžã®éã®ããšæºå
Perlè³æ Œã®ååŸã¯å®¹æã§ã¯ãããŸããããããã¯ãã®äŸ¡å€ããã蚌ã§ããããŸããå®æçãªåŠç¿ãšç·Žç¿ãå¿ èŠãšãããäžå®ã®Perlã®ç¥èãšã¹ãã«ãæ±ããããŸããå ·äœçãªåŠç¿æ¹æ³ãšããŠã¯ãå°éã®ææãè³Œå ¥ããããªã³ã©ã€ã³ã³ãŒã¹ãåè¬ãããèªç¿ããããªã©ããããããŸãã
Perlã®è³æ Œè©Šéšã¯ãPerlã®åºæ¬çãªææ³ãšããŒã¿æ§é ãã¢ãžã¥ãŒã«ãšããã±ãŒãžããªããžã§ã¯ãæåPerlããã¹ããšãããã°ããšã©ãŒãã³ããªã³ã°ãªã©ãPerlã®åºæ¬çãªéšåããé«åºŠãªéšåãŸã§ãç¶²çŸ ããŠããŸãã
ãã®ãããè³æ ŒãååŸããããã«ã¯ããããã®é åãã¹ãŠã«å¯Ÿããæ·±ãç解ãšçµéšãå¿ èŠãšãããŸãã
6.3 Perlè³æ ŒååŸåŸã®ãã£ãªã¢ãã¹
Perlè³æ ŒãååŸããåŸã®ãã£ãªã¢ãã¹ã¯å€å²ã«æž¡ããŸããç¬ç«ããPerléçºè ãšããŠæŽ»åããããšããäŒæ¥ã§ã®Perlããã°ã©ããšããŠå€åããããšãå¯èœã§ãã ãŸããæè¡ãªãŒããŒããããžã§ã¯ããããŒãžã£ãŒãšãã£ãããžã·ã§ã³ãžã®æé²ãèŠéã«å ¥ããããŸãã
ããã«ãPerlè³æ Œãæã€ããšã§Perlã«ç¹åããè·çš®ããPerlãå¿ èŠãšããäŒæ¥ã§ã®æ¡çšã®å¯èœæ§ãé«ãŸããŸãã蚌æãããã¹ãã«ã»ãããæã€ããšã§ãéçšåžå Žã§ã®ç«¶äºåã匷åãããããè¯ããã£ãªã¢ãè¿œæ±ããããã®å¹ åºãéžæè¢ãçãŸããŸãã
Perlè³æ Œã¯äžèœã§ã¯ãããŸããããããªãã®ç®æããã£ãªã¢ã«å¯Ÿããæ欲ãšèœåã瀺ãæçšãªããŒã«ãšãªãã§ãããã
6.4 æåŸã«
Perlã®è³æ ŒãååŸããããšã¯ã確ãã«ææŠçãªéã®ãã§ã¯ãããŸãããããã»ã©ã®åŽåãšæéãè²»ããã ãã®äŸ¡å€ããããŸããPerlã®ç¬èªæ§ãç解ããããã掻çšã§ãããããã§ãã·ã§ãã«ãšããŠã®ã¹ãã«ã蚌æããæ段ãšãªããŸãã
æã¡äž»èªèº«ã«ãšã£ãŠã¯æè¡åã®èšŒæã«ãªããéçšè ãäŸé Œè ã«å¯ŸããŠã¯ä¿¡é Œæ§ã®èšŒæã«ãªããŸããPerlã®è³æ ŒååŸã¯ãããããè§åºŠããèŠãŠPerlã¹ãã«ãé«ãããã£ãªã¢ãåé²ããã倧ããªã¹ããããšãªãã§ãããã
æçµçã«Perlè³æ Œã¯ãããªããæ¬åœã«Perlãç解ãå©çšã§ãããšãã¹ããŒãã§ããããšã瀺ããŸããè©Šéšå匷ãéããŠãããæ·±ãç解ãšåŒ·ãåºç€ãç¯ãããšãã§ããã§ãããã