/bin/bash for i in {1..5} do echo "Welcome $i times" done This is fromBash For Loop Examples In Linux Bash v4.0+ has inbuilt support for setting up a step value using {START..END..INCREMENT} syntax: 代码语言:txt 复制 #!/bin/bash echo "Bash version ${BASH_VERSION}..." for ...
Method 2: Bash For Loop using C like syntax The second form of the for loop is similar to the for loop in “C” programming language, which has three expressions (initialization, condition and updation). for (( expr1; expr2; expr3 )) do command1 command2 .. done In the above bash...
add.sh: 4: Syntax error: Bad for loop variable 代码没有错误,Ubuntu为了加快开机速度,用dash取代bash。 解决的方法:取消dash,使用bash: sudo dpkg-reconfigure dash 选择No选项。
出现这种错误是因为有些linux系统默认会使用ash进行编译shell脚本,我的机器就是这样,但是我写的脚本是应该用bash执行的。虽然我在开头注明了#!/bin/bash,好像它还是默认去找了ash,真是让人无奈。上网搜索了一下,找到两种解决方案:1、修改脚本 2、修改系统默认执行shell的工具 第一种的具体做法就是,原来的for循环...
linux shell scripts:Syntax error: Bad for loop variable,执行脚本报错#!/bin/bashs=0for((i=1;i<=100;i++))dos=$(($s+$i))doneecho$sshadd.sh报错:add.sh:4:Syntaxerror:Badforloopvariable代码没有错误
可以通过ls -l /bin/*sh命令看到: 所以在使用sh命令执行脚本的时候实际使用的是 dash,而 dash 不支持这种 C 语言格式的 for 循环写法。 解决方法:使用bash代替sh运行脚本: bash test.sh
The original for command’s syntax is: for 命令语法是: 代码语言:javascript 复制 forvariable[inwords];docommands done Where variable is the name of a variable that will increment during theexecution of the loop, words is an optional list of items that willbe sequentially assigned to variable,...
Syntax error: Bad for loop variable解决办法 Ubuntu中写了一个简单的shell脚本,利用for..do..done结构计算1+2+3...+100的值,结果总是报错。 www. 脚本: #!/bin/bash #information PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin export...
Usingletin a loop: Example leti =5; for(leti =0; i <10; i++) { // some code } // Here i is 5 Try it Yourself » In the first example, usingvar, the variable declared in the loop redeclares the variable outside the loop. ...
Another common control flow is a loop. Go uses only one looping construct, and that's aforloop. But you can represent loops in more than one way. In this part, you'll learn about the loop patterns that Go supports. Basic for loop syntax ...