ã¯ããã« 1992 å¹´ã« POSIX ã§ã·ã§ã«ãæ¨æºåããã¦ä»¥æ¥ãã·ã§ã«ã¹ã¯ãªããã®æ°å¤è¨ç®ã« expr ã³ãã³ãã¯ä½¿ãã¾ãããexpr ã³ãã³ãã使ã£ã¦è¨ç®ãã¦ããã®ã¯ Bourne ã·ã§ã«ï¼å¤ã UNIX ã® shï¼æ代ã®è©±ã§ãç¾å¨ã® POSIX sh ï¼dashãbashãksh çï¼æ代ã§ã¯æ°å¤è¨ç®ã« expr ã³ãã³ãã¯ä¸è¦ã§ããä»ã©ãã¯ã·ã§ã«ã®æ©è½ã ãã§æ´æ°ã®è¨ç®ãè¡ããã¨ãã§ãã¾ãããä»ã©ããã£ã¦ä¸ä½ãã¤ããã ã£ã¦è©±ãªããã§ããâ¦â¦ã 注æ ã·ã§ã«ã¹ã¯ãªããã§ããã©ã¼ãã³ã¹ã®è©±ãããã¨ããã«ãä»ã®è¨èªã§ããã¨ããæ¹ããã¾ãããç§ã¯ã©ããªãã¨ã«ã§ãã·ã§ã«ã¹ã¯ãªããã使ããªãã¦ä¸è¨ãè¨ã£ã¦ãã¾ãããããã©ã¼ãã³ã¹ãæ°ã«ãã¦ããçç±ã¯ããããå®éã«ã·ã§ã«ã¹ã¯ãªããã®ããã«ããã¯ã«ãªããã¤ã³ãã ããã§ããããããã·ã§ã«ã¹ã¯ãªããã¨ä¸è¬çãªè¨èªã¯è¨èªè¨è¨ã¬ãã«ã§å¾æãªãã¨ãéãã¾ããã¦
{{#tags}}- {{label}}
{{/tags}}