{"version":"1.0","url":"https://sasaplus1.hatenadiary.com/entry/20120911/1347350763","author_name":"sasaplus1","author_url":"https://blog.hatena.ne.jp/sasaplus1/","title":"\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u9593\u306e\u5909\u6570\u6e21\u3057\u7684\u306a","published":"2012-09-11 17:06:03","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsasaplus1.hatenadiary.com%2Fentry%2F20120911%2F1347350763\" title=\"\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u9593\u306e\u5909\u6570\u6e21\u3057\u7684\u306a - \u56db\u89d2\u9769\u547d\u524d\u591c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","height":"190","image_url":null,"width":"100%","blog_title":"\u56db\u89d2\u9769\u547d\u524d\u591c","blog_url":"https://sasaplus1.hatenadiary.com/","provider_name":"Hatena Blog","type":"rich","description":"aaa.sh #!/bin/sh AAA=123 sh ./bbb.sh bbb.sh #!/bin/sh set -u echo $AAA \u3092\u5b9f\u884c\u3059\u308b\u3068 $ sh aaa.sh ./bbb.sh: line 5: AAA: unbound variable \u306b\u306a\u3063\u3066\u3057\u307e\u3046\u2026\u2026 export\u3082\u3057\u305f\u304f\u306a\u3044\u3057\u306a\u30fc\u3068\u601d\u3063\u3066\u5148\u982d\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3057\u3066\u307f\u305f\u3089\u3002 $ AAA= sh aaa.sh 123 $ echo $AAA $ \u901a\u3063\u305f\uff01\u3057\u304b\u3082\u5909\u6570\u306f\u6b8b\u3063\u3066\u306a\u3044\uff01 \u3042\u3093\u307e\u308a\u3088\u304f\u308f\u304b\u3063\u3066\u306a\u3044\u3051\u3069\u3001\u305d\u306e\u884c\uff08\uff1f\uff09\u3060\u3051\u306e\u82e5\u5e72\u30b9\u30b3\u30fc\u30d7\u306e\u5e83\u3044\u5909\u6570\u306e\u6271\u3044\u306a\u306e\u304b\u306a\uff1f \u3061\u306a\u307f\u306b\u3002 $ AAA= ; sh aaa.sh ./bbb\u2026","categories":["sh"]}