{"id":478,"date":"2019-05-02T04:17:16","date_gmt":"2019-05-01T19:17:16","guid":{"rendered":"https:\/\/blog.azarashi-server.com\/?p=478"},"modified":"2020-01-17T10:39:00","modified_gmt":"2020-01-17T01:39:00","slug":"post-478","status":"publish","type":"post","link":"https:\/\/blog.azarashi-server.com\/?p=478","title":{"rendered":"\u3010linux\u3011shell\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u7c21\u5358\u306a\u30b2\u30fc\u30e0\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046"},"content":{"rendered":"\n

\u30a2\u30b6\u30e9\u30b7\u304c\u6614\u30b5\u30fc\u30d0\u30fc\u7cfb\u306e\u4f1a\u793e\u306b\u5165\u3063\u305f\u969b\u3001linux\u306e\u7814\u4fee\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u3063\u305f\u306e\u3067\u3059\u304c\u3042\u307e\u308a\u306b\u5ea7\u5b66\u304c\u591a\u304f\u5bdd\u305d\u3046\u306b\u306a\u3063\u305f\u6642\u304c\u3042\u308a\u307e\u3057\u305f\u3002
\uff08\u3066\u3044\u3046\u304b\u307b\u307c\u5bdd\u3066\u305f\uff09<\/p>\n\n\n\n

\u305d\u306e\u6642\u306b\u3001\u30b3\u30bd\u30b3\u30bd\u3068\u4e00\u4eba\u3067shell\u306b\u3088\u308b\u30b2\u30fc\u30e0\u3092\u4f5c\u3063\u3066\u3044\u307e\u3057\u305f\u3002
\u3053\u308c\u304c\u6848\u5916shell\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u66f8\u304f\u4e0a\u3067\u52c9\u5f37\u306b\u306a\u3063\u305f\u306e\u3067\u3001
\u5f79\u306b\u7acb\u3066\u3070\u3068\u601d\u3044\u8a18\u4e8b\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u3053\u306e\u8a18\u4e8b\u306e\u5bfe\u8c61\u8005\u3068\u3057\u3066\u306f\u3001\u4eca\u307e\u3055\u306b\u5f53\u6642\u306e\u81ea\u5206\u306e\u3088\u3046\u306b
linux\u3092\u52c9\u5f37\u3057\u59cb\u3081\u305f\u4eba\u3050\u3089\u3044\u306b\u898b\u3066\u3082\u3089\u3048\u305f\u3089\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u30b2\u30fc\u30e0\u3092\u4f5c\u308b\u306b\u3042\u305f\u3063\u3066\u3084\u308a\u65b9\u3092\u4e00\u3064\u305a\u3064\u8aac\u660e\u3057\u307e\u3059\u306e\u3067\u3001\u8a18\u4e8b\u306f\u9577\u3081\u3067\u3059\u306e\u3067\u3086\u3063\u305f\u308a\u898b\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n\n\n\n\n\n

0.\u53c2\u8003\u306b\u3057\u305f\u30b5\u30a4\u30c8<\/h2>\n\n\n\n

\u25a0 \u521d\u5fc3\u8005\u5411\u3051\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u57fa\u672c\u30b3\u30de\u30f3\u30c9\u306e\u7d39\u4ecb<\/a>
\u25a0 \u30b7\u30a7\u30eb\u3084\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4e71\u6570\u3092\u4f7f\u30462\u3064\u306e\u65b9\u6cd5<\/a>
\u25a0 \u4e88\u7d04\u8a9e<\/a>
\u25a0 \u30b3\u30de\u30f3\u30c9\u3067\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u306e\u5165\u529b\u3092\u53d7\u3051\u53d6\u308b <\/a>
\u25a0 \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8(bash)\u306eif\u6587\u3068test\u30b3\u30de\u30f3\u30c9([])\u81ea\u5206\u30e1\u30e2<\/a>
\u25a0 \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u6570\u5b57\u304b\u3069\u3046\u304b\u5224\u65ad\u3059\u308b\u65b9\u6cd5(expr\u3060\u3051\u3058\u3083\u306a\u3044)<\/a>
\u25a0 \u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9<\/a>
\u25a0 \u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5<\/a>
\u25a0\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8while\u306e\u4f7f\u3044\u65b9<\/a><\/p>\n\n\n\n

1.\u3069\u3093\u306a\u30b2\u30fc\u30e0\u4f5c\u3063\u305f\u306e\uff1f<\/h2>\n\n\n\n

\u672c\u5f53\u306b\u7c21\u5358\u306a\u30b2\u30fc\u30e0\u3067\u3059\u304c\u6570\u5b57\u3042\u3066\u30b2\u30fc\u30e0\u3067\u3059\u3002
0~9\u307e\u3067\u306e\u6570\u5b57\u3092\u5bfe\u8a71\u5f0f\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3001\u6570\u5b57\u3092\u5f53\u3066\u308b\u3088\u3046\u306a\u30b2\u30fc\u30e0\u3067\u3059\u3002<\/p>\n\n\n\n

\u77e5\u8b58\u3068\u3057\u3066\u306fshell\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f5c\u308a\u65b9\u3001linux\u306e\u57fa\u672c\u7684\u306a\u64cd\u4f5c\u304c
\u3042\u308b\u7a0b\u5ea6\u308f\u304b\u3063\u3066\u3044\u308c\u3070\u30cd\u30c3\u30c8\u3067\u8abf\u3079\u3064\u3064\u3067\u304d\u308b\u3088\u3046\u306a\u30ec\u30d9\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n

2.\u4f5c\u3063\u3066\u307f\u3088\u3046<\/h2>\n\n\n\n

linux\u4e0a\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4e0a\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

$ cd ~ ;\u30e6\u30fc\u30b6\u30fc\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5
$ vi numgame.sh  ;\u30b2\u30fc\u30e0\u7528shell\u30b9\u30af\u30ea\u30d7\u30c8\u30d5\u30a1\u30a4\u30eb\u3092vi\u3067\u4f5c\u6210\u3002<\/pre>\n\n\n\n
\u4e00\u5fdc vi \u3067\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u304c\u3001vim\u304c\u4f7f\u3048\u308b\u74b0\u5883\u3067\u3042\u308b\u306a\u3089\u3070
vim\u306e\u307b\u3046\u304c\u826f\u3044\u3067\u3059\u3002(\u898b\u305f\u76ee\u304cvim\u306e\u65b9\u304c\u898b\u3084\u3059\u3044)<\/p>\n\n\n\n
#!\/bin\/sh
echo \"Hello World!\"<\/pre>\n\n\n\n
\u633f\u5165\u30e2\u30fc\u30c9\u3092\u89e3\u9664 :wq \u3092\u6253\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3002
(wq\u306fwirte\u3057\u3066quit\u306e\u610f\u5473)
\u633f\u5165\u30e2\u30fc\u30c9\u306e\u89e3\u9664\u306f esc\u30ad\u30fc\u3067 \u633f\u5165\u30e2\u30fc\u30c9\u306b\u5165\u308b\u306e\u306f i \u3067\u3059\u3002

\u3068\u308a\u3042\u3048\u305a\u4e00\u65e6\u3053\u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002
<\/p>\n\n\n\n
\u6b21\u306b\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5b9f\u884c\u6a29\u9650\u3092\u4e0e\u3048\u307e\u3059\u3002\u5b9f\u884c\u6a29\u9650\u304c\u7121\u3044\u3068
\u5b9f\u884c\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$ chmod u+x numgame.sh<\/pre>\n\n\n\n
\u3053\u308c\u3067\u30d5\u30a1\u30a4\u30eb\u306b\u5b9f\u884c\u6a29\u9650\u304c\u3067\u304d\u307e\u3057\u305f\u3002
\u30c6\u30e9\u30bf\u30fc\u30e0\u7b49\u3060\u3068\u7dd1\u8272\u306e\u6587\u5b57\u3067\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002
\u3067\u306f\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
$ sh numgame.sh
Hello World!<\/pre>\n\n\n\n
2\u884c\u76ee\u306e\u3088\u3046\u306b Hello World! \u3068\u51fa\u3066\u3044\u308c\u3070OK\u3067\u3059\u3002<\/p>\n\n\n\n
numgame.sh\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002
#!\/bin\/sh<\/strong>
\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8(bash)\u3092\u4f7f\u7528\u3057\u3066\u52d5\u304d\u307e\u3059\u3002\u3068\u3044\u3046
\u5ba3\u8a00\u3067\u3059\u3002\u30b7\u30a7\u30eb\u306f bash,zsh,fish,csh\u7b49\u8272\u3005\u3042\u308a\u3001\u4ed6\u306e\u30b7\u30a7\u30eb\u3067\u52d5\u304b\u3057\u305f\u3044\u5834\u5408\u306f\u8a18\u8ff0\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
echo<\/strong>
echo\u3068\u66f8\u304f\u3053\u3068\u3067\u30c6\u30ad\u30b9\u30c8\u3092\u6a19\u6e96\u51fa\u529b\u304c\u3067\u304d\u307e\u3059\u3002
\u7d50\u679c\u3092\u51fa\u529b\u3057\u305f\u3044\u3068\u304d\u306a\u3069\u306b\u7d50\u69cb\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
2-1.\u6570\u5b57\u3042\u3066\u30b2\u30fc\u30e0\u3092\u4f5c\u308b\u8981\u4ef6<\/h2>\n\n\n\n
\u6570\u5b57\u3042\u3066\u30b2\u30fc\u30e0\u3092\u4f5c\u308b\u306b\u3042\u305f\u3063\u3066\u3001\u5fc5\u8981\u306a\u8981\u7d20\u306f
\u30fb0~9\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5b57\u3092\u4f5c\u308b\u3053\u3068
\u30fb\u5bfe\u8a71\u5f62\u5f0f\u3067\u30b2\u30fc\u30e0\u3092\u9032\u3081\u308b\u3053\u3068
\u30fb\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u5165\u529b\u3092\u6570\u5b57\u306e\u307f\u3067\u53d7\u3051\u4ed8\u3051\u308b\u4e8b
\u30fb\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u5165\u529b\u3055\u308c\u305f\u6570\u5b57\u304c\u7b54\u3048\u3088\u308a\u3082\u4e0a\u3082\u3057\u304f\u306f\u4e0b\u3067\u3042\u308c\u3070
\u3000\u305d\u306e\u65e8\u3092\u8fd4\u3059<\/strong>
\u30fb\u6b63\u89e3\u3059\u308b\u307e\u3067\u4f55\u5ea6\u3082\u5165\u529b\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b
\u30fb\u6b63\u89e3\u3057\u305f\u3089\u4f55\u56de\u3067\u6b63\u89e3\u3057\u305f\u304b\u8868\u793a\u3057\u3001\u30b2\u30fc\u30e0\u3092\u7d42\u4e86\u3059\u308b\u304b\u518d\u5ea6\u904a\u3076\u304b\u306e
\u3000\u9078\u629e\u3092\u51fa\u3059\u3002<\/strong><\/p>\n\n\n\n
\u3067\u3059\u3002\u3053\u308c\u3060\u3051\u30ba\u30e9\u30ba\u30e9\u4e26\u3079\u308b\u3068\u96e3\u3057\u305d\u3046\u306b\u611f\u3058\u307e\u3059\u304c\u3001
\u3059\u3079\u3066\u8abf\u3079\u308c\u3070\u51fa\u308b\u57fa\u672c\u7684\u306a\u3082\u306e\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
2-2.\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5b57\u3092\u8868\u793a\u3057\u3066\u307f\u3088\u3046<\/h2>\n\n\n\n
\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5b57\u3092\u4f5c\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u4e71\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002
\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4e71\u6570\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3066\u898b\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u53c2\u8003\u30b5\u30a4\u30c8 :  \u30b7\u30a7\u30eb\u3084\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4e71\u6570\u3092\u4f7f\u30462\u3064\u306e\u65b9\u6cd5<\/a><\/strong> <\/a><\/p>\n\n\n\n
bash<\/strong>\u306b\u306f $RANDOM<\/strong> \u3068\u3044\u3046\u5909\u6570\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3092 echo \u3067\u51fa\u529b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\u5148\u7a0b\u306e\u30b2\u30fc\u30e0\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u306f\u306a\u304f\u3001cd \u3084 vim \u306a\u3069\u3092\u6253\u3064\u3044\u3064\u3082\u306e\u753b\u9762\u3067
\u3084\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
$ echo $RANDOM
\u30e9\u30f3\u30c0\u30e0\u306a\u81ea\u7136\u6570<\/pre>\n\n\n\n
\u4e0a\u8a18\u306e echo $RANDOM \u3068\u6253\u3064\u3053\u3068\u3067\u30e9\u30f3\u30c0\u30e0\u306a\u81ea\u7136\u6570\u304c\u8868\u793a\u3055\u308c\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u305f\u3060\u3053\u308c\u3060\u3068\u6570\u304c 0~32767\u3068\u304b\u306a\u308a\u591a\u3044\u6570\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u4eca\u56de\u306f 0~9\u3067\u751f\u6210\u3057\u305f\u3044\u306e\u3067\u5c11\u3057\u3084\u308a\u65b9\u3092\u5909\u3048\u307e\u3059\u3002<\/p>\n\n\n\n
$ echo $(($RANDOM % 10))
<\/pre>\n\n\n\n
\u4e0a\u8a18\u306e\u8a18\u8ff0\u3092\u3059\u308b\u3053\u3068\u3067 0~9\u306e\u6570\u5b57\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\u4f55\u3092\u3084\u3063\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068 0~32767 \u3067\u30e9\u30f3\u30c0\u30e0\u306b\u51fa\u305f\u6570\u5b57\u3092
10\u3067\u5272\u308a\u3001\u4f59\u3063\u305f\u6570\u5b57\u3092\u51fa\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n
\u306a\u306e\u3067\u4f8b\u3048\u3070 25565 \u3067\u3042\u308c\u3070 25565 \u00f7 10 = 2556 \u4f59\u308a 5
\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u3001\u51fa\u529b\u3055\u308c\u308b\u5024\u306f 5 \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u305f\u3060\u3053\u306e\u3084\u308a\u65b9\u306e\u554f\u984c\u306f\u3001bash\u306f 0~32767 \u306a\u306e\u3067\u7b54\u3048\u306e\u7d50\u679c\u3068\u3057\u3066
8,9\u304c\u6c17\u6301\u3061\u5c11\u306a\u3044\u5272\u5408\u306b\u306a\u308b\u3050\u3089\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n
\u3067\u306f\u3001\u3053\u308c\u3092\u5148\u7a0b\u4f5c\u6210\u3057\u305f numgame.sh \u306b\u5165\u308c\u8fbc\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
$ vim numgame.sh
<\/pre>\n\n\n\n
#!\/bin\/bash

echo $(($RANDOM % 10))<\/pre>\n\n\n\n
\u5148\u7a0b\u306f
#!\/bin\/sh<\/strong>
\u3068\u3057\u307e\u3057\u305f\u304c\u3001bash\u72ec\u81ea\u306e $RANDOM \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3067
#!\/bin\/bash<\/strong>
\u3068\u3057\u3066bash\u72ec\u81ea\u306e\u6a5f\u80fd\u3092\u4f7f\u3044\u307e\u3059\u3068\u660e\u793a\u5316\u3057\u307e\u3057\u3087\u3046\u3002
(\u3053\u3046\u3057\u306a\u304f\u3066\u3082\u52d5\u304f\u3068\u306f\u601d\u3044\u307e\u3059\u304c)<\/p>\n\n\n\n
\u3067\u306f\u8d77\u52d5\u3057\u3066\u307f\u307e\u3057\u3087\u3046<\/p>\n\n\n\n
$ sh numgame.sh
0~9\u306e\u4e71\u6570<\/pre>\n\n\n\n
\u4e0a\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3067\u3057\u3087\u3046\u304b\uff1f
\u306a\u3063\u3066\u306a\u3044\u5834\u5408\u306f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u898b\u76f4\u3057\u3066\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\u6570\u5b57\u3042\u3066\u30b2\u30fc\u30e0\u3092\u4f5c\u308a\u306b\u3042\u305f\u3063\u3066\u3001\u4e71\u6570\u3092\u4f5c\u308b\u3068\u3044\u3046\u90e8\u5206\u306f
\u307e\u305a\u306f\u30af\u30ea\u30a2\u3057\u307e\u3057\u305f\u306d\u3002\u3067\u3059\u304c\u3001\u3053\u306e\u5834\u5408\u3060\u3068
\u8d77\u52d5\u3057\u305f\u969b\u306b\u4e71\u6570\u3092\u751f\u6210\u3057\u3066\u7d50\u679c\u3092\u8868\u793a\u3057\u3066\u3044\u308b\u4e8b\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001
\u5909\u6570\u306b\u683c\u7d0d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
#!\/bin\/bash
randomNumber=$(( $RANDOM % 10 ))
echo $randomNumber
<\/pre>\n\n\n\n
\u5909\u6570\u306f randomNumber \u306e\u3088\u3046\u306b\u308f\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u3092\u3064\u3051\u307e\u3059\u3002
\u5909\u6570\u3092\u4f5c\u308b\u6642\u306b\u91cd\u8981\u306a\u306e\u306f \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3082\u3068\u3082\u3068\u4f7f\u7528\u3057\u3066\u3044\u308b
\u540d\u524d\u306f\u3064\u3051\u3066\u306f\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3092\u4e88\u7d04\u8a9e\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u25a0 \u4e88\u7d04\u8a9e<\/a><\/p>\n\n\n\n
\u4e0a\u8a18\u306e\u30ea\u30f3\u30af\u306b\u3042\u308b\u3088\u3046\u306a case do done \u7b49\u306e\u540d\u524d\u306f\u3064\u3051\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002
\u91cd\u8981\u306a\u306e\u3067\u61b6\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
randomNumber=$(($RANDOM % 10))
\u3068\u3059\u308b\u3053\u3068\u3067\u3001randomNumber \u3068\u3044\u3046\u5909\u6570\u306b\u4e71\u6570\u306e\u5024\u3092\u683c\u7d0d\u3067\u304d
\u5229\u7528\u3057\u3084\u3059\u3044\u5f62\u306b\u306a\u308a\u307e\u3059\u3002
\u5909\u6570\u306b\u5024\u3092\u683c\u7d0d\u3059\u308b\u6642\u306b\u91cd\u8981\u306a\u306e\u306f
\u5909\u6570\u540d\u3068\u683c\u7d0d\u5024\u306e\u9593\u306e = \u306e\u524d\u5f8c\u306b\u30b9\u30da\u30fc\u30b9\u3092\u5165\u308c\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002
\u6b63\u3057\u304f\u5b9f\u884c\u3067\u304d\u306a\u3044\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n
echo $randomNumber \u306e\u90e8\u5206\u3067\u3059\u304c\u3001\u5909\u6570\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002
\u5909\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u304d\u306f randomNumber \u3068\u3059\u308b\u306e\u3067\u306f\u306a\u304f
$randomNumber \u3068\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u69d8\u306b\u4e71\u6570\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308c\u3070
OK\u3067\u3059\u3002<\/p>\n\n\n\n
2-3.\u5bfe\u8a71\u5f62\u5f0f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u3066\u307f\u3088\u3046<\/h2>\n\n\n\n
\u5bfe\u8a71\u5f62\u5f0f\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u306f\u3001\u5b9f\u884c\u3057\u305f\u969b\u306b
\u3053\u308c\u3067\u3044\u3044\u3067\u3059\u304b\uff1f(Y\/N)
\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u51fa\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059\u3002
yum install ~~~ \u306a\u3069\u306e\u969b\u306b
ok?(Y\/n)
\u306e\u3088\u3046\u306b\u51fa\u308b\u306e\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n
\u5148\u7a0b\u306e\u30b2\u30fc\u30e0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
#!\/bin\/bash
#randomNumber=$(( $RANDOM % 10))

read -p \"\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u306d : \" yourName
echo $yourName<\/pre>\n\n\n\n
\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002 \u5909\u6570\u306erandomNumber\u306e\u5148\u982d\u306b #\u304c\u3064\u3044\u3066\u3044\u308b\u306e\u306f
\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002
# \u3053\u308c\u306f\u4e71\u6570\u3067\u3059
\u306e\u3088\u3046\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u5165\u308c\u305f\u3044\u3068\u304d\u306f # \u3092\u5165\u308c\u305f\u308a\u3057\u307e\u3059\u3002
\u4ed6\u306b\u3082\u4e0a\u8a18\u306e\u3088\u3046\u306b\u4eca\u306f\u3053\u306e\u8a18\u8ff0\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u306f
#\u3092\u5148\u982d\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u884c\u3092\u5b9f\u884c\u3057\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e0a\u8a18\u3092\u5b9f\u884c\u3059\u308b\u3068<\/p>\n\n\n\n
$ sh numgame.sh
\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u306d : azarashi <- \u81ea\u5206\u3067\u5165\u529b\u3057\u3001\u6700\u5f8c\u306b\u30a8\u30f3\u30bf\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002
azarashi<\/pre>\n\n\n\n
\u4e0a\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
read \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u306f \u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u306e\u5165\u529b\u3092\u5f85\u3061\u3001\u5165\u529b\u3055\u308c\u305f\u5185\u5bb9\u3092\u5909\u6570\u306b\u30bb\u30c3\u30c8\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n
\u53c2\u8003\u30b5\u30a4\u30c8 : \u30b3\u30de\u30f3\u30c9\u3067\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u306e\u5165\u529b\u3092\u53d7\u3051\u53d6\u308b <\/a><\/p>\n\n\n\n
read \u30b3\u30de\u30f3\u30c9\u306b -p \u3068\u3044\u3046\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001
\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u306d \u3068\u3044\u3046\u90e8\u5206\u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002
\u3064\u3051\u306a\u3044\u5834\u5408\u306f \u4e8b\u524d\u306b echo “\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u306d”
\u3068\u3044\u3046\u3088\u3046\u306b\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
2-4. \u5165\u529b\u306e\u7d50\u679c\u306b\u3088\u3063\u3066\u51fa\u529b\u3092\u5909\u3048\u308b<\/h2>\n\n\n\n
\u5148\u7a0b\u3001read\u30b3\u30de\u30f3\u30c9\u3067\u5bfe\u8a71\u5f0f\u5f62\u5f0f\u3067\u52d5\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002
\u4eca\u5ea6\u306f\u53d7\u3051\u53d6\u3063\u305f\u5024\u306b\u3088\u3063\u3066\u3001\u51fa\u529b\u3092\u5909\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u6570\u5b57\u3042\u3066\u30b2\u30fc\u30e0\u3092\u4f5c\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u53d7\u3051\u53d6\u3063\u305f\u6570\u5b57\u304c
\u7b54\u3048\u3088\u308a\u3082\u4e0a\u304b\uff1f\u4e0b\u304b\uff1f\u6b63\u89e3\u304b\uff1f\u3068\u3044\u3046\u8fd4\u7b54\u3092\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\u3067\u3059\u306e\u3067\u3001\u53d7\u3051\u53d6\u3063\u305f\u6570\u5b57\u306b\u3088\u3063\u3066\u51fa\u529b\u3092\u5909\u3048\u3066\u307f\u307e\u3057\u3087\u3046<\/p>\n\n\n\n
\u53c2\u8003\u306b\u3057\u305f\u30b5\u30a4\u30c8 : \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8(bash)\u306eif\u6587\u3068test\u30b3\u30de\u30f3\u30c9([])\u81ea\u5206\u30e1\u30e2<\/a><\/p>\n\n\n\n
#!\/bin\/bash
randomNumber=$(( $RANDOM % 10))

read -p \"\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u306d : \" reciveNumber

if [ $reciveNumber -gt $randomNumber ] ; then
  echo \"${reciveNumber} \u306f\u7b54\u3048\u3088\u308a\u3082\u5927\u304d\u3044\u3067\u3059\"
elif [ $reciveNumber -lt $randomNumber ] ; then
  echo \"${reciveNumber} \u306f\u7b54\u3048\u3088\u308a\u3082\u5c0f\u3055\u3044\u3067\u3059\"
elif [ $reciveNumber -eq $randomNumber] ; then
  echo \"${reciveNumber} \u306f\u7b54\u3048\u3067\u3059\uff01\"
fi<\/pre>\n\n\n\n
numgame.sh\u3092\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u7de8\u96c6\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\u3044\u308d\u3044\u308d\u3068\u4e0d\u660e\u70b9\u304c\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u4e00\u3064\u305a\u3064\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
if [] ; then<\/strong>
\u3053\u308c\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u57fa\u790e\u7684\u306a\u8a18\u8ff0\u3067 if \u6587\u3068\u3044\u3044\u307e\u3059\u3002
\u4f7f\u3044\u65b9\u3068\u3057\u3066\u306f
\u3082\u3057 A\u304cB\u3088\u308a\u3082\u5927\u304d\u3051\u308c\u3070\uff5e\u3084
\u5c0f\u3055\u3051\u308c\u3070\uff5e\u3084
\u4e00\u81f4\u3059\u308c\u3070\uff5e
\u7b49\u306e\u51e6\u7406\u3092\u3057\u305f\u3044\u6642\u306b\u4f7f\u3044\u307e\u3059\u3002
\u4f59\u8ac7\u3067\u3059\u304c
\u6700\u8fd1\u306e\u8a00\u8a9e\u3067\u3042\u308c\u3070\u5927\u4f53\u306f
if( a == b){
  
}
\u306e\u3088\u3046\u306a\u66f8\u304d\u65b9\u3067\u3059\u304c\u3001shell\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u306f
if[] ; then \u3068\u3044\u3046\u66f8\u304d\u65b9\u3092\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u306a\u306e\u3067\u3001shell\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u66f8\u304d\u65b9\u3067if\u6587\u3092\u8aac\u660e\u3059\u308b\u3068

\u3082\u3057 [ A\u304c \u5927\u304d\u3051\u308c\u3070 B\u3088\u308a\u3082 ] ; \u305d\u308c\u306a\u3089
\u3000\u25cb\u25cb\u3057\u307e\u3059
if [ $A -gt $B ] ; then
  echo “hogehoge”
\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n
\u305f\u3060\u307e\u3060\u4e0d\u660e\u70b9\u304c\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002
 -gt \u3063\u3066\u306a\u3093\u3060\u3088\uff01<\/strong>
\u3067\u3059\u3088\u306d\u3002\u3053\u308c\u306f\u6570\u5f0f\u3067\u66f8\u304f\u306a\u3089
><\/strong>
\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u82f1\u8a9e\u3067  
greater than (\u3088\u308a\u3082\u5927\u304d\u3044)
\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n
\u3064\u307e\u308a\u4e0a\u8a18\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067
-lt<\/strong> \u3068\u3042\u308b\u306e\u306f
<
\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u82f1\u8a9e\u3067
less than(\u3088\u308a\u3082\u5c0f\u3055\u3044)
\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002

\u306a\u3093\u3068\u306a\u304f\u308f\u304b\u3063\u3066\u304d\u305f\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n
\u6b21\u306b\u3001 elif<\/strong> \u306e\u8aac\u660e\u3092\u3057\u307e\u3059\u3002
if \u306f\u308f\u304b\u3063\u305f\u3051\u3069\u3001elif\u3063\u3066\u306a\u3093\u3060\u3088\u3002<\/p>\n\n\n\n
\u3053\u308c\u306f else(\u305d\u308c\u4ee5\u5916\u306e) if(\u3082\u3057\u3082)
\u4ed6\u306e\u8a00\u8a9e\u3060\u3068 elif \u3068\u7565\u3055\u305a
else if(){}
\u3068\u3057\u3066\u4f7f\u3063\u3066\u308b\u5834\u5408\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n
\u3061\u306a\u307f\u306b\u3053\u308c\u3092\u4f7f\u308f\u305a\u3001
if [] ; then
fi
if [] ; then
fi
\u30fb
\u30fb
\u30fb
\u3068\u3057\u3066\u3084\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
\u3058\u3083\u3042\u306a\u305c\u3084\u3089\u306a\u3044\u304b\uff1f
\u3053\u306e\u51e6\u7406\u306e\u65b9\u6cd5\u3060\u3068\u4f55\u304c\u554f\u984c\u306a\u306e\u304b\u3002\u305d\u308c\u306f
\u3059\u3079\u3066\u306eif\u3092\u6bd4\u8f03\u3059\u308b\u306e\u3067\u51e6\u7406\u3068\u3057\u3066\u30e0\u30c0\u3067\u3001
\u306a\u304a\u304b\u3064\u30d0\u30b0\u308b\u53ef\u80fd\u6027\u9ad8\u3044\u66f8\u304d\u65b9\u3060\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n
\u4f8b\u3048\u3070\u3053\u3093\u306a\u5f0f\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002
<\/p>\n\n\n\n
\u6570\u5b57=10
if [ \u6570\u5b57 -lt 100  ] ; then
 echo \"\u6570\u5b57\u306f100\u3088\u308a\u5c0f\u3055\u3044\u3067\u3059\uff01\"
fi
if [\u6570\u5b57 -gt 0] ; then
 echo \"\u6570\u5b57\u306f0\u3088\u308a\u3082\u5927\u304d\u3044\u3067\u3059\uff01\"
fi <\/pre>\n\n\n\n
\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f
\u7b54\u3048\u306f\u3001
\u6570\u5b57\u306f100\u3088\u308a\u5c0f\u3055\u3044\u3067\u3059\uff01
\u6570\u5b57\u306f0\u3088\u308a\u3082\u5927\u304d\u3044\u3067\u3059\uff01
\u3068\u51fa\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u51fa\u529b\u3055\u308c\u3066\u307b\u3057\u3044\u306e\u304c\u3069\u3061\u3089\u304b\u3067\u3044\u3044\u5834\u5408\u306f\u3053\u306e\u3088\u3046\u306b\u51fa\u3066\u3057\u307e\u3046\u306e\u306f
\u3088\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u305d\u308c\u306b\u3053\u306eif\u6587\u304c\u4eca\u306f2\u500b\u3067\u3059\u304c\u30013\u500b\u30014\u500b\u30015\u500b\u30fb\u30fb\u30fb\u3068
\u3082\u3063\u3068\u5897\u3048\u3066\u884c\u3063\u305f\u3089\u3069\u3046\u3067\u3057\u3087\u3046\uff1f
\u6bce\u56de\u51e6\u7406\u3092\u3059\u308b\u305f\u3073\u4e0a\u304b\u3089\u4e00\u500b\u305a\u3064\u51e6\u7406\u3092\u3057\u3066\u3044\u3063\u305f\u3089\u3068\u3093\u3067\u3082\u306a\u304f
\u51e6\u7406\u304c\u5927\u5909\u3067\u3059\u3088\u306d\uff1f<\/p>\n\n\n\n
\u305d\u3046\u3044\u3046\u3068\u304d\u306b elif \u3092\u4f7f\u3063\u3066\u3001\u4e00\u56de\u76ee\u306e\u6bd4\u8f03\u3067
\u8a72\u5f53\u3057\u305f\u3089\u4ed6\u306eif\u306f\u51e6\u7406\u305b\u305a if\u6587\u3092\u629c\u3051\u308b\u3068\u3044\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u305f\u3060\u3001\u5fc5\u305a\u3057\u3082 elif \u3067\u3084\u3063\u305f\u307b\u3046\u304c\u826f\u3044\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u304f\u3001
\u51e6\u7406\u306b\u3088\u3063\u3066\u306f if … fi if … fi \u306e\u307b\u3046\u304c\u3044\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002
\u66f8\u304f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u826f\u304f\u8003\u3048\u305f\u4e0a\u3067\u51e6\u7406\u3092\u5909\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3055\u3089\u3063\u3068\u8aac\u660e\u3092\u98db\u3070\u3057\u307e\u3057\u305f\u304c
fi \u306f \u3053\u3053\u304cif\u6587\u306e\u7d42\u308f\u308a\u3060\u3088\u3002\u3068\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002
\u66f8\u304b\u306a\u3044\u3068\u30d0\u30b0\u308a\u307e\u3059\u3002
<\/p>\n\n\n\n
2-5.\u6570\u5b57\u4ee5\u5916\u3092\u5165\u529b\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u3089<\/h2>\n\n\n\n
\u3055\u3066\u3001\u5148\u7a0b\u306e\u8aac\u660e\u3067\u306f\u6570\u5b57\u3092\u5165\u308c\u308b\u524d\u63d0<\/strong>\u3067\u8a71\u3057\u3066\u307e\u3057\u305f\u304c\u3001
\u5b9f\u969b\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u305d\u306e\u610f\u56f3\u3092\u6c72\u307f\u53d6\u3063\u3066\u6570\u5b57\u3092\u7d76\u5bfe\u5165\u308c\u308b\u3068\u306f
\u9650\u308a\u307e\u305b\u3093\uff01<\/p>\n\n\n\n
\u8a66\u3057\u306b\u5148\u7a0b\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u6587\u5b57\u3092\u5165\u308c\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
numgame.sh: 7 \u884c: [: \u3042: \u6574\u6570\u306e\u5f0f\u304c\u4e88\u671f\u3055\u308c\u307e\u3059
numgame.sh: 9 \u884c: [: \u3042: \u6574\u6570\u306e\u5f0f\u304c\u4e88\u671f\u3055\u308c\u307e\u3059<\/pre>\n\n\n\n
(\uff89\u2200`)\uff71\uff81\uff6c\uff70
\u30a8\u30e9\u30fc\u3092\u5410\u304d\u307e\u3057\u305f\u306d\u30fb\u30fb\u30fb\u3002
\u4eca\u8a66\u3057\u306b \u3042 \u3068\u3044\u3046\u6587\u5b57\u3092\u5165\u308c\u307e\u3057\u305f\u304c\u3044\u3044\u611f\u3058\u306b\u6012\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u3067\u3059\u306e\u3067\u3001\u30b3\u30b3\u306b\u6587\u5b57\u3092\u5165\u308c\u3089\u308c\u305f\u3089
\u6570\u5b57\u3092\u5165\u308c\u3066\u304f\u3060\u3055\u3044\uff01\uff08\u6012\uff09<\/strong>\u3068\u51fa\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u53c2\u8003\u30b5\u30a4\u30c8 : \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u6570\u5b57\u304b\u3069\u3046\u304b\u5224\u65ad\u3059\u308b\u65b9\u6cd5(expr\u3060\u3051\u3058\u3083\u306a\u3044)<\/a><\/p>\n\n\n\n
expr \u3092\u4f7f\u3046\u3053\u3068\u3067\u5024\u304c\u6570\u5024\u304b\u3001\u6587\u5b57\u5217\u304b\u5224\u5225\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\u3053\u308c\u306f\u4e0e\u3048\u305f\u5f15\u6570\u3092\u5f0f\u3068\u3057\u3066\u8a55\u4fa1\u3057\u3066\u304f\u308c\u308b\u30c4\u30fc\u30eb\u3067\u3001\u6570\u5f0f\u306e\u8db3\u3057\u7b97\u3068\u304b\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u305d\u306e\u969b\u306b\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u3068\u3044\u3046\u3082\u306e\u304c\u53d6\u5f97\u3067\u304d
<\/p>\n\n\n\n