\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecdBash Terminal\u7684\u4e00\u4e9b\u57fa\u7840\u8bed\u6cd5\u3002<\/p>\n
ls<\/code> i.e. list storage\uff1a\u663e\u793a\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u4e0e\u6587\u4ef6\u5939\u3002<\/li>\npwd<\/code> i.e. print work directory\uff1a\u663e\u793a\u5f53\u524d\u76ee\u5f55\u3002<\/li>\ncd<\/code> i.e. change directory\uff1a\u4f7f\u7528dir\/dir\/\u6765\u5207\u6362\u76f8\u5bf9\u76ee\u5f55\uff08\u4e2a\u4eba\u4e60\u60ef\u4f7f\u7528.\/\uff09\uff1b\u4f7f\u7528\/dir\/dir\u6765\u5207\u6362\u7edd\u5bf9\u76ee\u5f55\u3002<\/li>\n<\/ol>\n1.1 pushd\u548cpopd<\/h3>\n
\u4e3a\u4e86\u5b9e\u73b0\u591a\u4e2a\u76ee\u5f55\u7684\u76f8\u4e92\u8df3\u8f6c\uff0c\u8fd9\u91cc\u4f7f\u7528\u4e00\u4e2a\u76ee\u5f55\u5806\u6765\u5b8c\u6210\u3002\u5f53\u524d\u7684\u76ee\u5f55\u5982\u4e0b\uff1a<\/p>\n
.\n\u251c\u2500\u2500 01.sh\n\u251c\u2500\u2500 T1\n\u251c\u2500\u2500 T2\n\u2514\u2500\u2500 T3<\/code><\/pre>\n \u4f7f\u7528dirs<\/code>\u53ef\u4ee5\u67e5\u770b\u8be5\u5806\uff1a<\/p>\nxjt@u16:~\/mk\/Bash$ dirs -p -v\n 0 ~\/mk\/Bash\n 1 ~\/mk\/Bash\/T1<\/code><\/pre>\n \u6211\u5df2\u7ecf\u5411\u8be5\u5806\u6dfb\u52a0\u4e86\u4e24\u4e2a\u76ee\u5f55\u3002\u4e0b\u9762\u6211\u4eec\u4f7f\u7528pushd<\/code>\u53ef\u4ee5\u5411\u5176\u4e2d\u6dfb\u52a0\u76ee\u5f55\uff1a<\/p>\nxjt@u16:~\/mk\/Bash$ pushd T2\/\n~\/mk\/Bash\/T2 ~\/mk\/Bash ~\/mk\/Bash\/T1\nxjt@u16:~\/mk\/Bash\/T2$ dirs -p -v\n 0 ~\/mk\/Bash\/T2\n 1 ~\/mk\/Bash\n 2 ~\/mk\/Bash\/T1\nxjt@u16:~\/mk\/Bash\/T2$ <\/code><\/pre>\n \u4e4b\u540e\u5728\u4f7f\u7528pushd +n<\/code>\u6765\u5207\u6362\u76ee\u5f55\uff1a<\/p>\nxjt@u16:~\/mk\/Bash\/T2$ pushd +2\n~\/mk\/Bash\/T1 ~\/mk\/Bash\/T2 ~\/mk\/Bash\nxjt@u16:~\/mk\/Bash\/T1$ <\/code><\/pre>\n \u51fa\u6808\u5219\u4f7f\u7528popd<\/code>\u6765\u5b8c\u6210\uff1a<\/p>\nxjt@u16:~\/mk\/Bash\/T1$ popd +0\n~\/mk\/Bash\/T2 ~\/mk\/Bash\nxjt@u16:~\/mk\/Bash\/T2$ dirs -p -v\n 0 ~\/mk\/Bash\/T2\n 1 ~\/mk\/Bash<\/code><\/pre>\n1.2 \u6587\u4ef6\u4e0e\u67e5\u627e<\/h3>\n\n- file\uff1a\u7528\u4e8e\u67e5\u770b\u6587\u4ef6\u5c5e\u6027\u3002<\/li>\n
- locate\uff1a\u7528\u4e8e\u6a21\u7cca\u67e5\u627e\u6587\u4ef6\u3002<\/li>\n<\/ol>\n
1.3 \u521b\u5efa\u6587\u4ef6\u5939\u4e0e\u6587\u4ef6<\/h3>\n\n- mkdir\uff1a\u521b\u5efa\u6587\u4ef6\u5939\u3002<\/li>\n
- touch\uff1a\u521b\u5efa\u6587\u4ef6\u3002<\/li>\n<\/ol>\n
1.4 \u62f7\u8d1d\u4e0e\u79fb\u52a8<\/h3>\n\n- cp\uff1a\u62f7\u8d1d\u3002<\/li>\n
- mv\uff1a\u79fb\u52a8\u3002<\/li>\n<\/ol>\n
\u4e8c\u3001\u6587\u4ef6\u7f16\u8f91<\/h2>\n2.1 concatenate<\/h3>\n
bash\u4f7f\u7528cat<\/code>\u6765\u8fde\u63a5\u6587\u4ef6\uff0c\u6211\u4eec\u6709\u5982\u4e0b\u6587\u4ef6\uff1a<\/p>\n.\n\u251c\u2500\u2500 file1.txt\n\u2514\u2500\u2500 file2.txt<\/code><\/pre>\n \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528cat<\/code>\u6765\u6253\u5370\u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\nxjt@u16:~\/mk\/Bash$ cat file1.txt \nhello\nxjt@u16:~\/mk\/Bash$ cat file2.txt \nworld<\/code><\/pre>\n \u540c\u65f6\u80fd\u4f7f\u7528>><\/code>\u6765\u5411\u6587\u4ef6\u4e2d\u8ffd\u52a0<\/strong>\u5185\u5bb9\uff0c\u4f7f\u7528><\/code>\u6765\u8986\u5199<\/strong>\uff1a<\/p>\nxjt@u16:~\/mk\/Bash$ cat >> file1.txt \nworld\nxjt@u16:~\/mk\/Bash$ cat file1.txt \nhello\nworld\nxjt@u16:~\/mk\/Bash$ <\/code><\/pre>\n\u5f53\u6211\u4eec\u7ed3\u675f\u8ffd\u52a0\u5185\u5bb9\u7684\u65f6\u5019\uff0c\u4f7f\u7528Ctrl+D<\/code>\u6765\u7ed3\u675f\u547d\u4ee4\u3002\u6b32\u6e05\u7a7a\u6587\u4ef6\u7684\u5185\u5bb9\u5219\u53ef\u4ee5\u4f7f\u7528cat \/dev\/null > file1.txt<\/code>\u6765\u5b8c\u6210\uff0c\u8be5\u547d\u4ee4\u662f\u5c06\u4e00\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u8986\u5199<\/strong>\u5230\u53e6\u5916\u4e00\u4e2a\u6587\u4ef6\uff0c\u8ffd\u52a0\u5219\u4f7f\u7528><\/code>\u3002<\/p>\n2.2 more & less<\/h3>\n
\u5f53\u6211\u4eec\u60f3\u8981\u67e5\u770b\u6587\u4ef6\u5185\u5bb9\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528more<\/code>\u6216\u8005less<\/code>\u6765\u67e5\u770b\u3002\u4f7f\u7528more\u4e00\u6b21\u8df3\u8f6c\u591a\u884c\uff0cless\u5219\u53ef\u4ee5\u4e00\u884c\u4e00\u884c\u5730\u8df3\u8f6c\u3002\u4e24\u8005\u5747\u53ef\u4ee5\u4f7f\u7528q<\/code>\u952e\u9000\u51fa\u3002<\/p>\n2.3 \u6587\u672c\u7f16\u8f91\u5668<\/h3>\n
linux\u4e0b\u7684\u7f16\u8f91\u5668\u5e38\u7528\u7684\u6709nano\u3001vim\u3001gedit\u3002\u5176\u4e2dnano\u64cd\u4f5c\u7b80\u5355\uff0c\u5728\u754c\u9762\u7684\u4e0b\u65b9\u6709\u76f8\u5e94\u7684\u63d0\u793a\uff1bvim\u548cgedit\u5219\u6ca1\u6709\uff0c\u4f46\u662f\u529f\u80fd\u66f4\u52a0\u591a\u6837\uff0c\u6bd4\u5982\u540c\u65f6\u5904\u7406\u591a\u4e2a\u6587\u4ef6\u7b49\u3002<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u7f16\u5199bash\u811a\u672c\u3002<\/p>\n
\u4e09\u3001\u5f00\u59cb<\/h2>\n
bash\u811a\u672c\u4e0e\u5728\u7ec8\u7aef\u4e2d\u4f7f\u7528\u76f8\u540c\uff0c\u76f4\u63a5\u4f7f\u7528\u547d\u4ee4\u5373\u53ef\uff0c\u4e0b\u9762\u662f\u4e00\u6bb5\u7b80\u5355\u7684\u811a\u672c\uff0c\u540c\u65f6tree\u5982\u4e0b\u3002<\/p>\n
#! \/bin\/bash\n\nls\necho "Hello World"\n\n# tree\n# .\n# \u2514\u2500\u2500 run.sh<\/code><\/pre>\n\u5728\u7b2c\u4e00\u884c\u7684#! \/bin\/bash<\/code>\u8868\u793a\u9664\u6b64\u4e4b\u5916\u7684\u6240\u6709#<\/code>\u5f15\u5bfc\u7684\u5185\u5bb9\u5747\u4e3a\u6ce8\u91ca\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u6211\u4eec\u76f4\u63a5\u4f7f\u7528.\/run.sh<\/code>\u662f\u65e0\u6cd5\u76f4\u63a5\u8fd0\u884c\u7684\uff0c\u6211\u4eec\u8981\u4e48\u4f7f\u7528bash run.sh<\/code>\uff0c\u8981\u4e48\u7ed9\u4e88\u5b83+x<\/code>\u7684\u6743\u9650\u3002\u4f8b\u5982\uff1a<\/p>\nxjt@u16:~\/mk\/Bash$ bash run.sh \nrun.sh\nHello World\n\nxjt@u16:~\/mk\/Bash$ chmod +x run.sh \nxjt@u16:~\/mk\/Bash$ .\/run.sh \nrun.sh\nHello World<\/code><\/pre>\nsh\u548cbash\u6709\u7740\u76f8\u4f3c\u7684\u5185\u5bb9\uff0c\u4f46\u5bf9\u4e8e\u89c4\u5219\u7684\u517c\u5bb9\u6027\u4e0d\u540c\u3002\u5bf9\u4e8eubuntu\u6765\u8bf4\uff0c\/bin\/sh<\/code>\u6307\u5411\/bin\/bash<\/code>\uff0c\u4f46\u662f\u4e5f\u53ef\u4ee5\u4f7f\u7528-posix<\/code>\u6765\u6307\u5b9a\u5176\u6a21\u5f0f\u3002<\/p>\n\u56db\u3001\u57fa\u672c\u8bed\u6cd5<\/h2>\n4.1 if<\/h3>\n
\u4e0b\u9762\u662f\u4e00\u6bb5\u57fa\u7840\u7684\u903b\u8f91\u5224\u65ad\uff1a<\/p>\n
Name="XJT"\n\nif [ "$Name" == "XJT" ]\nthen\n echo "Your name is XJT"\nelse\n echo "Your name is not XJT"\nfi<\/code><\/pre>\n\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6709\u51e0\u4e2a\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\u3002\u4e00\u662f\u53d8\u91cf\u8d4b\u503c\u4e4b\u95f4\u662f\u4e0d\u5141\u8bb8\u6709\u7a7a\u683c\uff0c\u5373Name="XJT"<\/code>\uff0c\u800c\u4e0d\u662fName = "XJT"<\/code>\uff1b\u4e8c\u662fif\u4e4b\u540e\u4e0d\u4f7f\u7528()<\/code>\uff0c\u800c\u662f\u4f7f\u7528[]<\/code>\uff0c\u540c\u65f6\u9700\u8981\u6ce8\u610f\u62ec\u53f7\u524d\u540e\u5747\u6709\u7a7a\u683c\uff0c\u5373if [ $val ]<\/code>\uff0c\u800c\u975eif [$val]<\/code>\u3002<\/p>\n \u63a5\u4e0b\u6765\u6211\u4eec\u770b\u4e00\u4e0b\u4e00\u822c\u53d8\u91cf\u7684\u60c5\u51b5\u3002<\/p>\n
Num1=3\nNum2=5\n\nif [ $Num1 -gt $Num2 ]\nthen\n echo "$Num1 is greater than $Num2"\nelse\n echo "$Num1 is less than $Num2"\nfi<\/code><\/pre>\n \u63a5\u4e0b\u6765\u770b\u5bf9\u4e8e\u6587\u4ef6\u7684\u5904\u7406\u3002<\/p>\n
File="hello.txt"\n\nif [ -f $File ]\nthen \n echo "$File Exist"\nelse\n echo "$File not Exist"\nfi\n\n# xjt@u16:~\/mk\/Bash$ tree\n# .\n# \u2514\u2500\u2500 run.sh\n\n# 0 directories, 1 file\n# xjt@u16:~\/mk\/Bash$ .\/run.sh\n# hello.txt not Exist\n\n# xjt@u16:~\/mk\/Bash$ touch hello.txt\n# xjt@u16:~\/mk\/Bash$ tree\n# .\n# \u251c\u2500\u2500 hello.txt\n# \u2514\u2500\u2500 run.sh\n\n# 0 directories, 2 files\n# xjt@u16:~\/mk\/Bash$ .\/run.sh\n# hello.txt Exist\n# xjt@u16:~\/mk\/Bash$ <\/code><\/pre>\n\u5728\u4e0a\u9762\u7684if<\/code>\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528-f<\/code>\u6765\u6307\u5b9a$File<\/code>\u4e3a\u6587\u4ef6\u3002\u540c\u6837\u7684\uff0c\u5176\u4ed6\u7684\u6807\u7b7e\u5982\u4e0b\uff1a<\/p>\n\n-d<\/code>\uff0c\u662f\u76ee\u5f55<\/li>\n-e<\/code>\uff0c\u6587\u4ef6\u5b58\u5728\uff0c\u5e38\u7528-f<\/code>\u4ee3\u66ff\u3002<\/li>\n-f<\/code>\uff0c\u63d0\u4f9b\u7684\u5b57\u7b26\u4e32\u662f\u6587\u4ef6\u3002<\/li>\n-g<\/code>\uff0c\u6587\u4ef6\u5df2\u6709group id\u3002<\/li>\n-r<\/code>\uff0c\u53ef\u8bfb\u3002<\/li>\n-s<\/code>\uff0c\u5927\u5c0f\u4e0d\u4e3a\u96f6<\/li>\n-u<\/code>\uff0c\u5df2\u6709user id\u3002<\/li>\n-w<\/code>\uff0c\u53ef\u5199\u3002<\/li>\n-x<\/code>\uff0c\u53ef\u6267\u884c\u3002<\/li>\n<\/ol>\n4.2 case<\/h3>\n
case\u4e0eC\u4e2d\u7684switch\u76f8\u540c\uff0c\u4e0b\u9762\u6765\u770b\u4e00\u4e0b\u5b83\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u3002<\/p>\n
read -p "Input y\/yes or n\/no: " Input\n\ncase $Input in \n [yY] | [yY][eE][sS])\n echo "yes!"\n ;;\n [nN] | [nN][oO])\n echo "no!"\n ;;\n *)\n echo "default output"\n ;;\nesac<\/code><\/pre>\n\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6709\u51e0\u4e2a\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\u3002\u4e00\u662f\u5728\u6bcf\u4e00\u4e2a\u5206\u652f\u7684\u540e\u9762\u9700\u8981\u52a0\u4e0a)<\/code>\uff1b\u4e8c\u662f\u6bcf\u4e2a\u5206\u652f\u7ed3\u675f\u9700\u8981\u52a0\u4e0a;;<\/code>\uff1b\u4e09\u662f\u6700\u540e\u7684*<\/code>\u76f8\u5f53\u4e8e\u5176\u4ed6\u8bed\u8a00\u4e2d\u7684default<\/code>\u3002<\/p>\n4.3 for<\/h3>\n
for\u5faa\u73af\u4e0epython\u76f8\u4f3c\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u6700\u57fa\u672c\u7684for\u5faa\u73af\u3002<\/p>\n
Array="1 2 3 4 5"\n\nfor it in $Array \n do\n echo "$it"\ndone<\/code><\/pre>\n \u4e0b\u9762\u6765\u770b\u4e00\u4e2a\u5bf9\u6587\u4ef6\u91cd\u547d\u540d\u7684\u811a\u672c\uff1a<\/p>\n
txtFiles=$(ls *.txt)\natt="new"\n\nfor file in $txtFiles\n do\n echo "Rename $file to $att-$file"\n mv $file $att-$file\ndone<\/code><\/pre>\n4.4 while<\/h3>\n
\u63a5\u4e0b\u6765\u770b\u4e00\u4e0b\u5982\u4f55\u4f7f\u7528while\u6765\u8bfb\u53d6\u4e00\u4e2a\u6587\u4ef6\u5939\u7684\u5185\u5bb9\u3002<\/p>\n
Line=1\nwhile read -r CURRENT_LINE\n do\n echo "$Line: $CURRENT_LINE"\n ((Line++))\ndone < ".\/file.txt"<\/code><\/pre>\n4.5 function<\/h3>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Hello world\u51fd\u6570\u3002<\/p>\n
function hello()\n{\n echo "Hello world"\n}\n\nhello<\/code><\/pre>\n bash\u4e2d\u542b\u53c2\u51fd\u6570\u548c\u5176\u4ed6\u8bed\u8a00\u5e76\u4e0d\u4e00\u6837\uff0c\u5176\u53c2\u6570\u5e76\u4e0d\u9700\u8981\u58f0\u660e\u5230()<\/code>\u4e2d\uff0c\u6765\u770b\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\nfunction sum()\n{\n let ans=$1+$2\n echo "Sum: $ans"\n}\n\nsum 5 6<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":" \u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecdBash Terminal\u7684\u4e00\u4e9b\u57fa\u7840\u8bed\u6cd5\u3002 \u4e00\u3001\u6587\u4ef6\u76ee\u5f55\u76f8\u5173 ls i.e. list …<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts\/881"}],"collection":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/comments?post=881"}],"version-history":[{"count":1,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts\/881\/revisions"}],"predecessor-version":[{"id":882,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/posts\/881\/revisions\/882"}],"wp:attachment":[{"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/media?parent=881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/categories?post=881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swordofmorning.com\/index.php\/wp-json\/wp\/v2\/tags?post=881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}