csh、ksh88、ksh、sh builtin ksh case csh、ksh88、ksh、sh cd csh、ksh88、ksh、sh chdir csh、sh command ksh +*continue csh、ksh88、ksh、sh dirs csh disown ksh echo csh、ksh88、ksh、sh enum ksh +*eval csh、ksh88、ksh、sh +*exec csh、ksh88、ksh、sh +*exit csh、ksh88、ksh、sh ...
# the multiple command in the then-if rhce=student # if greprhce/etc/passwd;thenecho"thisisrhcsa";echo"thisisrhce";echo"thisisputincommandecho:";ls−a/home/rhce/.b* fi 12.2 if-then-else语句 在if-then语句中,不管命令是否成功执行,你都只有一种选择。如果命令返回一个非零退出状态码,bash ...
Csh if statement interactive use, The value 1 is equivalent to FALSE at shell level.. Also please keep in mind that csh is a bit fishy since theif is not a csh keyword, but rather a builtin command.. In csh, the if builtin calls a separate parser that reads until the statement was...
case varible in pattern1) commands1;; pattern2) commands2;; *) default;; esac 注意:在每个命令结束后是两个分号 转载于:https://www.jianshu.com/p/dc9640d9996e版权声明:本文为weixin_34191845原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。 本文链接:https://blog....
$ csh $ if [ -f /export/home/insite/.insiteINFO ] ; then echo "1" ; else echo "0" ; fi if: Expression Syntax. then: Command not found. else? Run Code Online (Sandbox Code Playgroud) 尝试将测试包装在 /bin/sh 中: $ /bin/sh -c 'if [ -f /export/home/insite/.insiteINFO...
Wait until the task completes. The task completes when itsStatuscolumn showsReady. To refresh the status, selectAction>Refreshin the top navigation menu. Refresh using an administrator Command Prompt Right-click on theStart...
In the first form of the utility shown using the SYNOPSIS: test [ condition ] the square brackets denote that condition is an optional operand and are not to be entered on the command line. In the second form of the utility shown using the SYNOPSIS: ...
-bash: vi: command not found -bash: ls: command not found 首先这个错误是你在配各种环境变量输错内容导致的,例如配置hadoop、jdk、mysql的时候等等 (解决办法在最下) 1、在命令行中输入 vi ~/.bash_profile 进入到环境变量中; 看看是否冒号写成了分号。 2、vi /etc/profile 进入环境变量配置 看看各种的...
(2)until语法:until command do list done (3)for语法:for name in word1 word2…wordN do list done 例:输出1~10。 #!/bin/sh x=1 for x in 1 2 3 4 5 6 7 8 9 10 do echo $x done (4)select语法:select name in word1 word2…wordN ...
if [ "$1" = "pear" ] | | [ "$1" = "grape" ] | | [ "$1" = "apple" ] then command fi case "$1" in pear|grape|apple) command;; esac test組み込みコマンド 以下の例では、Bourne シェルのifに続いてtest組み込みコマンドの 2 つの形式を記します。