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ã vi ã³ãã³ã N & n åæ¹ãŸãã¯åŸæ¹ã«æ€çŽ¢ãéå§ããŸã
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ã³ãã³ãã
ç¥èª
ã·ããã·ã¹:
ã¢ã[ççž®ãã][lhs rhs]
If lhs & rhs ãæå®ãããŠããªãå Žåãçç¥åœ¢ã®çŸåšã®ãªã¹ããæžã蟌ã¿ãäœãããŸãã
ãã£ãšã
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å°å·å¯èœãªæåãšæåã¯å¶éãããŸããã è¿œå
å¶éã¯å®è£ å®çŸ©ã§ãªããã°ãªããªãã
äž¡è ã« lhs & rhsãä»»æã®æåããšã¹ã±ãŒãããããšãã§ããŸãâVããã®å Žåã
æåãåºåãæåãšããŠäœ¿çšããŠã¯ãªããªã lhs ãã rhsãããã³ãšã¹ã±ãŒãâVã¯
ç Žæ£ãããŸããã
ãªãŒãã³ã§èŠèŠçãªããã¹ãå ¥åã¢ãŒãã§ãåèªä»¥å€ãŸãã¯ãšã¹ã±ãŒããããŠããªãæå
ã«ãã£ãŠâV æåãåèªæåã®åŸã«å ¥åãããŠããå ŽåãV æåããã§ãã¯ããŸãã
äžèŽããæåã»ãã lhsããã®ã³ãã³ãäžã«å ¥åãããããã¹ãå ¥åã ããããã
èŠã€ãã£ãå Žåãå¹æã¯æ¬¡ã®ããã«ãªããŸã rhs 代ããã«å ¥åããã lhs.
ãã§ãã¯ãããæåã»ããã¯ã次ã®ããã«å®çŸ©ãããŸãã
1. åèªããã³éåèªã®åã«æåãæ¿å ¥ãããŠããªãå ŽåããŸãã¯æå
ãã§ãã¯ãããªã¬ãŒããå Žåãæåã»ããã¯æåãšããåèªã§æ§æãããŸãã
2.åèªãšéåèªã®åã«æ¿å ¥ãããæåãŸãã¯ãã®æå
ãã§ãã¯ãããªã¬ãŒãããã®ã¯åèªã®æåã§ãããæåã®ã»ããã¯
åèªã§ããããªã¬ãŒæåã®çŽåã«æ¿å ¥ãããæå
æåãããã³ããªã¬ãŒåèªã®æåã
3.åèªãšéåèªã®åã«æ¿å ¥ãããæåãŸãã¯ãã®æå
ãã§ãã¯ãåèªã®æåã§ã¯ãªãå Žåãæåã®ã»ããã¯æ¬¡ã®ãã®ã§æ§æãããŸã
ã©ã¡ãã§ããªãããªã¬ãŒæåã®åã«æ¿å ¥ãããæå
æåãåèªæåããããªã¬ãŒãšãªãåèªæåãå«ã¿ãŸãã
ãã©ããã¯æªå® lhs ã«å¯ŸããŠå ¥åãããåŒæ° ex çç¥ & çç¥ããªã
ã³ãã³ãã¯ãã®ããã«çœ®ãæããããŸãã å ¥ãæ¿ããã®æç¡ã«é¢ãããã
ã³ãã³ãã®å¹æã¯ã眮æãè¡ãããªãã£ããã®ããã«ãªããŸãã
é»æµãããŒã ã©ã€ã³ïŒ å€æŽãªãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒ å€æŽãªãã
è¿œå
ã·ããã·ã¹:
[1ã¢ãã¬ã¹] a[è¿œå ãã][!]
å ¥åããŸã ex ããã¹ãå ¥åã¢ãŒã; å ¥åããã¹ãã¯ãæå®ãããè¡ã®åŸã«é 眮ãããŸãã ã€ãã©ã€ã³
ãŒããæå®ãããå Žåãããã¹ãã¯ç·šéãããã¡ãŒã®å é ã«é 眮ãããŸãã
ãã®ã³ãã³ãã¯ã æ° & èªåã€ã³ãã³ã ç·šéãªãã·ã§ã³; ã«ç¶ããŠ
ã³ãã³ãå ãïŒã ãåŒãèµ·ãããã®ãšããŸã èªåã€ã³ãã³ã åãæ¿ããããç·šéãªãã·ã§ã³èšå®
ãã®ã³ãã³ãã®æéã®ã¿ã
é»æµãããŒã ã©ã€ã³: æåŸã®å ¥åè¡ã«èšå®ããŸãã è¡ãå ¥åãããŠããªãå Žåã¯ãæå®ããã
è¡ããŸãã¯ãŒãã®è¡ãæå®ãããå Žåã¯ç·šéãããã¡ãŒã®æåã®è¡ããŸãã¯ãŒãã®å Žåã¯ãŒã
ç·šéãããã¡ã空ã§ãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
Arguments
ã·ããã·ã¹:
ar[gs]
çŸåšã®åŒæ°ãªã¹ãã®ãšã³ããªãããå Žåã¯ãçŸåšã®åŒæ°ãªã¹ããæžã蟌ã¿ãŸãã '['
& ']' æåã
é»æµãããŒã ã©ã€ã³ïŒ å€æŽãªãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒ å€æŽãªãã
å€æŽãã
ã·ããã·ã¹:
[2ã¢ãã¬ã¹] c[ãã³ã²][!][ã«ãŠã³ã]
å ¥åããŸã ex ããã¹ãå ¥åã¢ãŒã; å ¥åããã¹ãã¯ãæå®ãããè¡ã眮ãæããŸãã æå®ããã
è¡ã¯ååã®ãªããããã¡ã«ã³ããŒãããè¡ã¢ãŒã ãããã¡ã«ãªããŸãã
ãã®ã³ãã³ãã¯ã æ° & èªåã€ã³ãã³ã ç·šéãªãã·ã§ã³; ã«ç¶ããŠ
ã³ãã³ãå ãïŒã ãåŒãèµ·ãããã®ãšããŸã èªåã€ã³ãã³ã åãæ¿ããããç·šéãªãã·ã§ã³èšå®
ãã®ã³ãã³ãã®æéã®ã¿ã
é»æµãããŒã ã©ã€ã³: æåŸã®å ¥åè¡ã«èšå®ããŸãã è¡ãå ¥åãããŠããªãå Žåã¯ãåã®è¡ã«èšå®ãããŸã
æåã®ã¢ãã¬ã¹ããŸãã¯åã«è¡ããªãå Žåã¯ç·šéãããã¡ãŒã®æåã®è¡
æåã®ã¢ãã¬ã¹ããŸãã¯ç·šéãããã¡ã空ã®å Žåã¯ãŒãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
å€æŽãã ãã£ã¬ã¯ããª
ã·ããã·ã¹:
chd[ir][!][ãã£ã¬ã¯ããªã«ãžã§ããéå§ããŸãã]
cd[!][ãã£ã¬ã¯ããªã«ãžã§ããéå§ããŸãã]
çŸåšã®äœæ¥ãã£ã¬ã¯ããªã次ã®ããã«å€æŽããŸãã ãã£ã¬ã¯ããªã«ãžã§ããéå§ããŸãã.
ãªãå Žå ãã£ã¬ã¯ããªã«ãžã§ããéå§ããŸãã åŒæ°ãæå®ããã ããŒã ç°å¢å€æ°ãéã«èšå®ãããŠããŸã
null ããã³ç©ºã§ãªãå€ã ãã£ã¬ã¯ããªã«ãžã§ããéå§ããŸãã ã§æå®ãããå€ã«ããã©ã«ãèšå®ãããŸãã ããŒã
ç°å¢å€æ°ã ãã ããŒã ç°å¢å€æ°ã空ãŸãã¯æªå®çŸ©ã®å Žåã
ã®ããã©ã«ãå€ ãã£ã¬ã¯ããªã«ãžã§ããéå§ããŸãã å®è£ å®çŸ©ã§ãã
ãªãå Žå ãïŒã ãã³ãã³ãåã«è¿œå ãããç·šéãããã¡ãŒãå€æŽãããŸããã
æåŸã®å®å šãªæžã蟌ã¿ãããã³çŸåšã®ãã¹åã a ã§å§ãŸã£ãŠããªã ã/ããããã¯
ãšã©ãŒã
é»æµãããŒã ã©ã€ã³ïŒ å€æŽãªãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒ å€æŽãªãã
ã³ããŒ
ã·ããã·ã¹:
[2ã¢ãã¬ã¹] co[py] 1ã¢ãã¬ã¹ [ãã©ã°]
[2ã¢ãã¬ã¹] t 1ã¢ãã¬ã¹ [ãã©ã°]
æå®ãããå®å è¡ã®åŸã«æå®ãããè¡ãã³ããŒããŸãã è¡ XNUMX ã¯ã
è¡ã¯ç·šéãããã¡ã®å é ã«é 眮ãããŸãã
é»æµãããŒã ã©ã€ã³: ã³ããŒãããæåŸã®è¡ã«èšå®ãããŸãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
åé€
ã·ããã·ã¹:
[2ã¢ãã¬ã¹] d[ãšã¬ã][ãããã¡][ã«ãŠã³ã][ãã©ã°]
æå®ãããè¡ããããã¡ãŒ (ããã©ã«ãã§ã¯ååã®ãªããããã¡ãŒ) ã«åé€ããŸãã
ã©ã€ã³ã¢ãŒã ãããã¡ã«ãªããŸãã
ã³ãã³ãåã®çŽåŸã«ãã©ã°ãä»ããããšãã§ããŸãã èŠã Command LINE 解æ in ex.
é»æµãããŒã ã©ã€ã³: åé€ãããè¡ã®æ¬¡ã®è¡ããŸãã¯ç·šéã®æçµè¡ã«èšå®
ãã®è¡ãç·šéãããã¡ãŒã®æ«å°Ÿãè¶ ããŠããå Žåã¯ãããã¡ãŒãç·šéãããã¡ãŒãçµäºããŠããå Žåã¯ãŒãã«ããŸãã
空ã®ã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
ç·šé
ã·ããã·ã¹:
e[DIT][!][+ command][file]
ex[!][+ command][file]
ãªãå Žå ãïŒã ãã³ãã³ãåã«è¿œå ãããç·šéãããã¡ãŒãå€æŽãããŸããã
æåŸã®å®å šãªæžã蟌ã¿ãããã¯ãšã©ãŒã«ãªããŸãã
If file ãæå®ãããŠããå Žåãç·šéãããã¡ãŒã®çŸåšã®å 容ãçŸåšã®å 容ã«çœ®ãæããŸãã
ã®å 容 fileãçŸåšã®ãã¹åã fileã å Žå file ã¯æå®ãããŠããŸããã眮ãæããŸã
ã«ãã£ãŠæå®ããããã¡ã€ã«ã®çŸåšã®å 容ãæã€ç·šéãããã¡ã®çŸåšã®å 容
çŸåšã®ãã¹åã äœããã®çç±ã§ãã¡ã€ã«ã®çŸåšã®å 容ã«ã¢ã¯ã»ã¹ã§ããªãå Žåã¯ã
ç·šéãããã¡ã¯ç©ºã§ãªããã°ãªããŸããã
ã + command ãªãã·ã§ã³ã¯-åºåããã; å ã®æå + command ã§ãã
ãåã«ä»ããããšã§ãšã¹ã±ãŒãã§ããŸããã£ã©ã¯ã¿ãŒã ã® + command ããªããã°ãªããªã
ãšè§£éããã ex ç·šéãããã¡ã®å 容ãçµäºããçŽåŸã®ã³ãã³ã
眮ãæããããçŸåšã®è¡ãšåãèšå®ãããŸããã
ç·šéãããã¡ã空ã®å Žå:
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é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸãã: 1 ã«èšå®ããŸãã
ãã以å€ã®å Žåãå®è¡äžã«å®è¡ãããå Žå ex ã³ãã³ãã¢ãŒããŸã㯠+ command åŒæ°ãæå®ãããŠããŸã:
é»æµãããŒã ã©ã€ã³: ç·šéãããã¡ã®æçµè¡ã«èšå®ããŸãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
ããã§ãªããã°ã file çç¥ãããããçŸåšã®ãã¹åã«ãªããŸãã
é»æµãããŒã ã©ã€ã³: ç·šéãããã¡ã®æåã®è¡ã«èšå®ããŸãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
ããã§ãªããã°ã file æåŸã«ç·šéããããã¡ã€ã«ãšåãå Žåãè¡ãšåãèšå®ãããŸã
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æåŸã®å€ã¯ãæ°ããç·šéãããã¡ãŒã®æå¹ãªåã§ã¯ãããŸããã .
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é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
File
ã·ããã·ã¹:
f[ile][file]
ãã file åŒæ°ãæå®ãããŠããå Žåã代æ¿ãã¹åã¯çŸåšã®ãã¹åã«èšå®ãããŸã
ãã¹åãããã³çŸåšã®ãã¹åã¯ã«èšå®ãããŸã file.
æ å ±ã¡ãã»ãŒãžãæžããŸãã ãã¡ã€ã«ã«çŸåšã®ãã¹åãããå Žåã¯ããããå«ãŸããŸã
ãã®ã¡ãã»ãŒãžã§; ãã以å€ã®å Žåãã¡ãã»ãŒãžã¯çŸåšã®ãã¹åããªãããšã瀺ããŸãã
ç·šéãããã¡ã«è¡ãå«ãŸããŠããå ŽåãçŸåšã®è¡çªå·ãš
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æ å ±ã衚瀺ããŸãã
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ã°ããŒãã«
ã·ããã·ã¹:
[2ã¢ãã¬ã¹] g[ãããŒã«] /ãã¿ãŒã³/ [ã³ãã³ã]
[2ã¢ãã¬ã¹] v /ãã¿ãŒã³/ [ã³ãã³ã]
ãªãã·ã§ã³ ãïŒã ã®åŸã®æå å šäœç㪠ã³ãã³ãã¯ã v
If ãã¿ãŒã³ 空ã§ãïŒããšãã°ã ã//ã) ãŸãã¯æå®ãªããæåŸã«äœ¿çšãããæ£èŠè¡šçŸ
ãšãã£ã¿ãŒã³ãã³ã㧠ãã¿ãŒã³ãéžæããŸãã ãã¿ãŒã³ ã§åºåãããšãã§ããŸã
æå (æŠèŠã«ç€ºãããŠããŸã)ãããã³éè±æ°åãŸãã¯é
以å€ã ã ããŸãã¯äºéåŒçšç¬Šã
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ã å šäœç㪠& v ã³ãã³ãã¯è«ççã« XNUMX ãã¹æäœã§ãã ãŸããå ã®è¡ã«å°ãä»ããŸã
çµç«¯ãé€ãè¡ãæå®ãããè¡ããã
(å šäœçãª) ãŸãã¯äžèŽããªã (v or ã°ããŒãã«ïŒ) æå®ããããã¿ãŒã³ã 次ã«ãå®è¡ããŸã ex
ã«ãã£ãŠäžããããã³ãã³ã ã³ãã³ããçŸåšã®è¡ ('ã') ããŒã¯ãããåè¡ã«èšå®ãããŸãã ãã
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a ããããããšã¹ã±ãŒãããŠãããããåºåãããXNUMX è¡ã« XNUMX ã€ãã€åºåããŸããšãšãã«
.
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2. ãã以å€ã®å Žåãã³ãã³ãã¯å®è¡ãããŸããã
ã ã¢ãã³ã, å€åãã, insert ã³ãã³ãã®äžéšãšããŠãå ¥åããã¹ããå«ãŸãããã®ãšããŸãã
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ã³ãã³ãã NS éãã & ããžã¥ã¢ã« ã³ãã³ãã¯ãã³ãã³ãã® XNUMX ã€ãšããŠæå®ã§ããŸãã
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å®è¡ã®ããã«æå®ããã ex ã³ãã³ãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸãã: ã³ãã³ããå®è¡ãããªãå Žåã¯ãé; ãã以å€ã®å Žåã¯ãæå®ããããšãã
å人ã®ããã« ex ã³ãã³ãã
ã€ã³ã»ãã
ã·ããã·ã¹:
[1ã¢ãã¬ã¹] i[ãã][!]
å ¥åããŸã ex ããã¹ãå ¥åã¢ãŒã; å ¥åããã¹ãã¯ãæå®ãããè¡ã®åã«é 眮ãããŸãã ãã
line ã 1 ãŸã㯠XNUMX ã®å Žåãããã¹ãã¯ç·šéãããã¡ãŒã®å é ã«é 眮ãããŸãã
ãã®ã³ãã³ãã¯ã æ° & èªåã€ã³ãã³ã ç·šéãªãã·ã§ã³; ã«ç¶ããŠ
ã³ãã³ãå ãïŒã ãåŒãèµ·ãããã®ãšããŸã èªåã€ã³ãã³ã åãæ¿ããããç·šéãªãã·ã§ã³èšå®
ãã®ã³ãã³ãã®æéã®ã¿ã
é»æµãããŒã ã©ã€ã³: æåŸã®å ¥åè¡ã«èšå®ããŸãã è¡ãå ¥åãããŠããªãå Žåã¯ãåã®è¡ã«èšå®ãããŸã
æå®ãããè¡ããŸãã¯è¡ããªãå Žåã¯ç·šéãããã¡ãŒã®æåã®è¡
æå®ãããè¡ã®åããŸãã¯ç·šéãããã¡ãŒã空ã®å Žåã¯ãŒãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
å å ¥
ã·ããã·ã¹:
[2ã¢ãã¬ã¹] j[ãªã€ã³][!][ã«ãŠã³ã][ãã©ã°]
If ã«ãŠã³ã æå®ãããŠããŸã:
ã¢ãã¬ã¹ãæå®ãããŠããªãå Žåã¯ã join ã³ãã³ãã¯æ¬¡ã®ããã«åäœããŸã 2ã¢ãã¬ã¹ ãŸãã
çŸåšè¡ãšçŸåšè¡ãã©ã¹ ã«ãŠã³ã (.,.+ ã«ãŠã³ã).
XNUMX ã€ã®ã¢ãã¬ã¹ãæå®ãããå Žåã join ã³ãã³ãã¯æ¬¡ã®ããã«åäœããŸã 2ã¢ãã¬ã¹ ãŸãã
æå®ã¢ãã¬ã¹ãšæå®ã¢ãã¬ã¹ãã©ã¹ ã«ãŠã³ã (addr,addr + ã«ãŠã³ã).
XNUMX ã€ã®ã¢ãã¬ã¹ãæå®ãããå Žåã join ã³ãã³ãã¯ãè¿œå ã®
ã¢ãã¬ã¹ãæåŸã®ã¢ãã¬ã¹ã«çãã ã«ãŠã³ã â1 (ã¢ãã¬ã¹1,ã¢ãã¬ã¹2,ã¢ãã¬ã¹2 + ã«ãŠã³ã â1ïŒã
æå®ãããŸããã
ããã«ãããç·šéã®æçµè¡ããã倧ãã XNUMX çªç®ã®ã¢ãã¬ã¹ãçæãããå Žå
ç·šéãããã¡ã®æçµè¡ãšçãããªãããã«ä¿®æ£ããå¿ èŠããããŸãã
ãªãå Žå ã«ãŠã³ã æå®ãããŠããŸã:
ã¢ãã¬ã¹ãæå®ãããŠããªãå Žåã¯ã join ã³ãã³ãã¯æ¬¡ã®ããã«åäœããŸã 2ã¢ãã¬ã¹ ãŸãã
çŸåšã®è¡ãšæ¬¡ã®è¡ (.,. +1)ã
XNUMX ã€ã®ã¢ãã¬ã¹ãæå®ãããå Žåã join ã³ãã³ãã¯æ¬¡ã®ããã«åäœããŸã 2ã¢ãã¬ã¹ ãŸãã
æå®ããã¢ãã¬ã¹ãšæ¬¡ã®è¡ (addr,addr + 1ïŒã
æå®ãããè¡ã®ããã¹ããçµåã㊠XNUMX è¡ã«ããŸãã
æå®ãããè¡ã
ãã ãïŒã æåãã³ãã³ãåã«è¿œå ããã join ãªãã§ãã
çŸåšã®ãã±ãŒã«ã«é¢ä¿ãªããä»»æã®è¡ãå€æŽããŸãã
ãã以å€ã®å ŽåãPOSIX ãã±ãŒã«ã§ã¯ãçŸåšã®è¡ãæå®ãããè¡ã®æåã«èšå®ããŸãã
ãã®åŸãåŸç¶ã®è¡ããšã«ã次ã®ããã«é²ã¿ãŸãã
1.å é ãæšãŠãçµåããè¡ã®æåã
2. çµåããè¡ã空ã®å Žåã¯åé€ããæé 3 ïœ 5 ãçç¥ããŸãã
3. çŸåšã®è¡ãããŸãã¯çµåããè¡ã®æåã®æå
ã 'ïŒ' æåããã以äžå€æŽããã«è¡ãçµåããŸãã
4. çŸåšè¡ã®æåŸã®æåã 'ã'ã XNUMX ã€ã®è¡ãçµåããŸã
ãããã®éã®æåã
5.ããã§ãªãå Žåã¯ãè¡ãåäžã®ãããã®éã®ã
é»æµãããŒã ã©ã€ã³: æå®ããæåã®è¡ã«èšå®ããŸãã
é»æµãããŒã ã®é ç®ã«è¡šç€ºãããŸããïŒéèšå®.
ãªã¹ã
ã·ããã·ã¹:
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[2ã¢ãã¬ã¹] p[ãªã³ã][ã«ãŠã³ã] l[ãã©ã°]
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ã²ã¬ã³ãããã
ã·ããã·ã¹:
å°å³[!][lhs rhs]
If lhs & rhs æå®ãããŠããŸãã:
1ã ãã ãïŒã ãæå®ãããŠããå Žåãããã¹ãå ¥åã¢ãŒã ãããã®çŸåšã®ãªã¹ããæžã蟌ã¿ãŸãã
2. ããã§ãªãå Žåã¯ãã³ãã³ã ã¢ãŒã ãããã®çŸåšã®ãªã¹ããæžã蟌ã¿ãŸãã
3. ãã以äžäœãããŸããã
å®è£ ã«ãã£ãŠãåãå ¥ããããæåã»ãããå¶éãããå ŽåããããŸãã lhs or rhsã ãã以å€ã§
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ã§éããâVããã®å ŽåãæåãåºåãæåãšããŠäœ¿çšããŠã¯ãªããªã lhs
ãã rhsãããã³ãšã¹ã±ãŒãâVã¯å»æ£ããã
ãã£ã©ã¯ã¿ãŒãªã ãïŒã ã«è¿œå ãããŸã å°å³ ã³ãã³ãåããããã³ã°ã¯æå¹ã§ãªããã°ãªããªã
ã§ã¯ãªãããªãŒãã³ãŸãã¯ããžã¥ã¢ã«ããã¹ãå ¥åã¢ãŒãäž éãã or ããžã¥ã¢ã« ã³ãã³ãã¢ãŒãã ããã«ããã
lhs XNUMXã€ã®ç°ãªããã®ãæ〠å°å³ åæã«å®çŸ©: XNUMX ã€ã¯ã³ãã³ã ã¢ãŒãçšããã XNUMX ã€ã¯
ããã¹ãå ¥åã¢ãŒãçšã
ã³ãã³ã ã¢ãŒã ãããã³ã°ã®å Žå:
æ lhs ã®äžéšãšããŠå ¥åãããŸã vi ãªãŒãã³ ã¢ãŒããŸãã¯ããžã¥ã¢ã« ã¢ãŒãã§ã®ã³ãã³ã (ãã ãã
ã³ãã³ããžã®åŒæ°ã®äžéšãšããŠïŒãã¢ã¯ã·ã§ã³ã¯ãããã
察å¿ãã rhs å ¥åãããŠããŸããã
ã³ãã³ãå ã®æåã®æå以å€ã®æåãã
âV æåããã®æåã¯äžèŽã®äžéšã§ãã£ãŠã¯ãªããªã lhs.
å®è£ ããµããŒããããã©ããã¯æå®ãããŠããŸãã å°å³ ã³ãã³ã lhs
é·ãã XNUMX æåãè¶ ããå Žåãæåã®æå㯠lhs is
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If lhs è€æ°ã®æåãå«ã¿ãæåã®æåã 'ïŒ'ãç¶ããŠ
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ã»ã¯ã·ã§ã³ã« lhs ä»¥äž 'ïŒ' ã«ãããã³ã°ãããå¯èœæ§ããããŸã rhs. ããæ¹ã¯æªå®
ãã¡ã³ã¯ã·ã§ã³ ããŒã®ååãŸãã¯ãµããŒããããŠãããã¡ã³ã¯ã·ã§ã³ ããŒã
ããã¹ãå ¥åã¢ãŒãã®ãããã³ã°ã®å Žå:
æ lhs ãªãŒãã³ ããã¹ãå ¥åãŸãã¯ããžã¥ã¢ã« ããã¹ãå ¥åã§å ¥åãããããã¹ãã®äžéšãšããŠå ¥åããã
ã¢ãŒããã¢ã¯ã·ã§ã³ã¯ãããã察å¿ãããã®ããã«ãªããŸã rhs å ¥åãããŠããŸããã
å ¥åããã¹ãã®ããããã®æåãâVåããã
æåã¯ãäžèŽã®äžéšã§ãã£ãŠã¯ãªããŸãã lhs.
ãã©ããã¯æªå® lhs åŸç¶ã®ããã«å ¥åãããããã¹ã å°å³ or ããããè§£é€ ã³ãã³ã
ã«çœ®ãæããããŸã rhs ç»é¢è¡šç€ºã®ããã®ããã¹ãã ããããã
衚瀺ã察å¿ãããã®ããã«è¡šç€ºããããã©ãã rhs ããã¹ããå ¥åããã
ã³ãã³ãã®å¹æã¯ã lhs ããã¹ããå ¥åãããŸããã
äžéšã ããªã lhs å ¥åãããå Žåããšãã£ã¿ãŒãåŸ æ©ããæéã¯æå®ãããŠããŸãã
ãã§ã«å ¥åãããæåã
äžèŽããªã lhs.
ã rhs ã«ãã£ãŠç¹ã«æå®ãããŠããªãéããæåèªäœã¯åãããã³ã°ã®å¯Ÿè±¡ãšãªããŸãã
ã ãªããã ç·šéãªãã·ã§ã³ã lhs ã®æ¥é èŸãšããŠçŸãã
rhsããããã®æåã¯åããããããŸããã
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Mark Hodder
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çŸåšã®åãåç §ããçªå·ä»ãæå (ååšããå Žå)ã ãã以å€ã®å Žåã¯ãåäœçœ® 1ã
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1ã ã®çšæ³ '$' ãšã㊠ex äœæ
2. æ£ã® XNUMX é²æ°ã®äœ¿çš ex äœæ
3. æ€çŽ¢ã³ãã³ãã®äœ¿çš ex äœæ
4. æšç« åç §ã®äœ¿çš ex äœæ
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ã«ãŒã« 1.ã2.ã3.ãããã³ 4. ã®å Žåã ` & ' 次ã®å ŽåãããŒã¯ã¯èšå®ãããŸããã ex ã³ãã³ãã¯
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(æå®ãããã³ãã³ããŸãã¯åäœãå«ã) âc or ât ãªãã·ã§ã³ãŸã㯠+ command
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