if ($var > 10) then echo "Variable is greater than 10" else if ($var < 5) then echo "Variable is less than 5" else echo "Variable is between 5 and 10" endif 正确示例: 代码语言:txt 复制 if ($var > 10) then echo "Variable is greater than 10" else if ($var < 5) then ec...
更以前以前一样:直接vi .bashrc,增加alias 语句就好了, 一顿操作配置完了: 配置完.bashrc aliaskccl='kubectlconfig get-contexts'aliaskccu='kubectlconfiguse-context' source的时候报错了: source .bashrc if: Expression Syntax.then: Command not found. 问题排查 提示语法不对? 没遇到过,网上查查吧,有人提...
# run cmd as if expression if ({grep -s junk $1}) then echo "We found junk in file $1" endif # check if the var is defined if ($?dirname) then ls $dirname endif if (-e somefile) then grep $1 somefile else echo "Grievous error! Database file does not exist". endif #for...
#if-else # run cmd as if expression if ({grep -s junk $1}) then echo"We found junk in file $1" endif # check if the var is defined if ($?dirname) then ls $dirname endif if (-e somefile) then grep $1 somefile else echo"Grievous error! Database file does not exist". endi...
csh脚本语法实例csh实例参考：复制代码代码如下:#!/bin/csh -vx #csh -vx show the command before running to help debug #just to check syntax #csh -n $0 #argv if ($#argv < 2) then echo "Sorry, but you entered too few parameters"echo "usage: $0 arg1 arg2 exit endif set arg1 = $...
If you want to get at the status directly, use the value of the status variable rather than this expression). Control Flow The shell contains a number of commands to regulate the flow of control in scripts and within limits, from the terminal. These commands operate by forcing the shell ...
if (expr )command If the specified expression evaluates to true, the single command with arguments is executed. Variable substitution on command happens early, at the same time it does for the rest of the if command. command must be a simple command, not a pipeline, a command list, or ...
Syntax: while (expression)commandsend Example: #!/bin/cshset word = "anything"while ($word != "")echo -n "Enter a word to check (Return to exit): "set word = $<if ($word != "") grep $word /usr/share/dict/wordsend
1） 变量 通过set来定义局部变量x,通过$x或${x}来使⽤变量x的值，$%x表⽰变量的值的长度, $?x来判断变量x是否设置，如设置则为1，否则为0。set x = 5 echo $x echo ${x}kg echo $%x 全局变量的定义setenv v value 该变量将被此shell派⽣的所有⼦shell继承。$$表⽰当前进程的PID， $...
6. EXPRESSION EVALUATION Consider this statement in the csh: if ($?MANPAGER) setenv PAGER $MANPAGER Despite your attempts to only set PAGER when you want to, the csh aborts: MANPAGER: Undefined variable. That's because it parses the whole line anyway AND EVALUATES IT!相关...