æè¿ãbashãããããã£ã¦ãã¾ããä»æ´ãªããã§ã¯ããã¾ãããbashã®å¥å¦ãªæ§æãæåã«ã¯ã¦ã³ã¶ãªãã¾ããã ããã¨ãã£ã¦ãbashãå«ãã«ãªãããã§ããªãã§ããã©ãã ã¢ã¬ã¯ãã¼ã¯ã³ãããªãããã bashã®ä»£å ¥æãã¢ã¬ãå¤ãããªãã§ãããbashã«éãããPOSIXã·ã§ã«ã¯åãæ§æã§ããã©ãx = 3 ã ã¨ä»£å ¥æã«ãªããªãã®ã§ããx ã£ã¦ã³ãã³ããå®è¡ãããã¨ãã¾ããå®é¨ãã¦ã¿ã¾ãããã $ x = 3 -bash: x: command not found $ # xã¨ããååã®ã³ãã³ããä½ã $ echo '#/bin/bash' > x # bashã§å®è¡ $ echo 'echo "$@"' >> x # å¼æ°ã表示 $ chmod +x x # xãå®è¡å¯è½ã«ãã $ PATH=$PATH:. # ã«ã¬ã³ããã£ã¬ã¯ããªããã¹ã«å ãã $ x = 3 = 3 $ x =3 =3
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