So far all the if else statement you saw were used in a proper bash script. That's the decent way of doing it but you are not obliged to it. When you just want to see the result in the shell itself, you may use the if else statements in a single line in bash. Suppose you hav...
在Bash中,可以使用循环命令来重复执行一系列的命令。常见的循环命令有for循环、while循环和until循环。 对于if分支之外的循环命令,可以使用while循环或者until循环来实现。下面是...
Bash script: While loop with If statement results in infinite loop 我正在尝试编写一个bash脚本,询问一个人是否要喝杯茶,Y再次向控制台返回"好,我现在要煮茶"; N再次返回"您确定"四次 同样,如果在4个后续报价期间,用户改变了主意并按" Y",计算机将在控制台上打印出"很好,我现在要煮茶"。 我的下面的脚...
ed -s file.txt < script.ed 从脚本中删除,p,以使stdout的输出静音,或者如果您对输出满意的话。 如果需要in-place编辑,请从脚本中将Q更改为w。 应该给出与bash解决方案大致相同的结果,但是由于仍然不知道在第233行和第238行应该发生什么,所以该行以#EXTVLCOPT开头本站已为你智能检索到如下内容,以供参考: ...
问bash脚本中的If / Else语句问题EN<c:choose> <c:when test="${requestScope.newFlag== '1'...
In bash scripting, loops are used to repeat a block of code until a certain condition is met. When combined with ‘else if’, you can create scripts that handle a wide range of scenarios. Here’s an example of a script that uses ‘else if’ within a ‘for’ loop: ...
The if in a Bash script is a shell keyword that is used to test conditions based on the exit status of a test command. An exit status of zero, and only zero, is a success, i.e. a condition that is true. Any other exit status is a failure, i.e. a condition that is false. ...
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shell 用于在带for循环的if语句中使用grep的Bash脚本你不能把"嵌套在"中，如果你想给予ssh多行输入，...
bash if [ "$1" -eq 10 ]; then echo "Exiting script." exit 0 else echo "Continuing script." fi echo "This line will not be executed if the condition is met." 自然结束: 如果if语句没有嵌套在其他控制结构中,它会在执行完then或else部分的代码后自然结束。 bash if [ "$1" -eq 10 ];...