and upon satisfying the condition specified in the if-clause, it executes the break statement, which terminates the loop. The output shown above clearly justifies the same. When the value of var equals 4, the loop terminates, and the echo command in the fi clause does not print any further...
for variable in server1 server2 do command1 command2 ... done Bash For Loop Examples in Linux/Unix Also Read:How to Drop/Flush/Clear Cache Memory or RAM in Linux (RedHat/CentOS 7/8) Example 1: How to Sync Time in multiple servers using Bash For Loop in Linux If you want...
4. Unix command output as list values after “in” keyword You can use the output of any UNIX / Linux command as list of values to the for loop by enclosing the command in back-ticks ` ` as shown below. $ cat for4.sh i=1 for username in `awk -F: '{print $1}' /etc/passwd...
Using IF statement's Regex comparison operator in a C Style For Loop 1 boqsc Jan 29, 2020 UNIX Scripting Replies 1 Views 239 Jan 29, 2020 feherke Locked Question Nested IF statement with Regex operator in a While loop, Stops the loop 1 boqsc Jan 29, 2020 UNIX Scripting Repl...
ShellLoop 一、Loopforloopsyntax: 1、数字范围语法 for VARIABLE in 1 2 3 4 5 .. N do command1 command2 commandN done 或者 for VARIABLE in file1 file2 file3 do command1 on $VARIABLE command2 commandN done 或者 linux shell loop
第一种:for variable in {list} do command ...done例:for a in 1 2 3 do echo "$a"done第二种:(执行脚本时输入变量)for do command ...done第三种:for ((expr1;e for Linux 原创 明天的理想 2016-01-25 13:04:46 1237阅读 linuxfor循环...
当我登录到服务器时,我可以执行一个用户定义的命令,runfw从fish_user_key_bindings.fish文件中运行良好。但当我试图执行它回复unknown command "runfw。当然,我可以像这样获取命令中的键绑定: ssh user@myipaddress "cd ~/mydir; sou 浏览3提问于2017-09-29得票数 0 回答已采纳 ...
To write a proper infinite loop, follow theforkeyword with braces, like this: Go packagemainimport("fmt""math/rand""time")funcmain(){varnumint32sec := time.Now().Unix() rand.Seed(sec)for{ fmt.Print("Writing inside the loop...")ifnum = rand.Int31n(10); num ==5{ fmt.Println(...
LOOP 语句是特殊类型的循环语句,原因是它没有终止条件子句。它会定义重复执行的一系列语句直到另一块逻辑(通常是控制转移语句)强制控制流跳至循环外部某点。 LOOP 语句通常与下列其中一个语句配合使用:LEAVE、GOTO、ITERATE 或 RETURN。这些语句可强制控制权跳至 SQL 过程中紧跟循环之后的指定位置、跳至循环的开头以...
In the above bash for command syntax, before the first iteration, expr1 is evaluated. This is usually used to initialize variables for the loop. All the statements between do and done is executed repeatedly until the value of expr2 is TRUE. ...