grepã§ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã‚’å«ã‚€è¡Œã‚’検索ã—ãŸã„ - Qiitagrepã§ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥(\)を検索ã™ã‚‹æ©Ÿä¼šãŒã‚ã£ãŸã®ã§ã™ãŒã€æ„外ã«ã‚‚「ã¯ã¾ã£ãŸã€ã®ã§ãƒ¡ãƒ¢ã¨ã—ã¦å¯¾å¿œç–を残ã—ã¦ãŠããŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¾ãšæ–‡å—列ã®å›²ã¿æ–‡å—/リテラルã¨ã—ã¦ãƒ€ãƒ–ルクオート(")を利用ã™ã‚‹å ´åˆã¯\\\\を利用ã—ã¾ã™ã€‚ã‚ã‹ã‚Šã«ãã„ã§ã™ãŒã€ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã‚’4ã¤é‡ãã¦åˆã‚ã¦ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã²ã¨ã¤ã«ãªã‚Šã¾ã™ã€‚ã¤ã¾ã‚Š\aã¨ã„ã†æ–‡å—を検索ã—ãŸã„å ´åˆã¯\\\\aã¨ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ cat ${some_file} | grep "\\\\" # ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã‚’å«ã‚€è¡Œã‚’抽出ã™ã‚‹ cat ${some_file} | grep "\\\\a" # \aã‚’å«ã‚€è¡Œã‚’抽出ã™ã‚‹ 次ã«ã‚·ãƒ³ã‚°ãƒ«ã‚¯ã‚ªãƒ¼ãƒˆ(')を利用ã™ã‚‹å ´åˆã¯\\ãŒæ£è§£ã§ã™ã€‚ダブルクオートã«ã‚ˆã‚‹ãƒªãƒ†ãƒ©ãƒ«æ–‡å—列ã¨ã¯é•ã„ã€ãƒãƒƒã‚¯ã‚¹ãƒ©ãƒƒã‚·ãƒ¥ã¯ãµãŸã¤ã—ã‹é‡ãã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã›ã‚“。ã¤ã¾ã‚Š\aã§ã‚ã‚Œã°\\aã¨æ›¸ã‘ã°grepã§æ¤œç´¢ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™
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