If-elif-else Statement 在bash 脚本中,如果希望使用 if 语句应用多个条件,则使用 if elif else。在这种类型的条件语句中,如果满足第一个条件,则执行下面的代码,否则检查下一个 if 条件,如果不匹配,则执行下面的 else 语句中提到的命令。其语法和示例如下所示。 Syntax : if [ condition_command ] then comman...
such as true or false, yes or no, or 0 or 1. If-else statements are used to execute different blocks of code based on the outcome of a condition.
$ if [ $(echo TEST)]; then echo CONDITION; fi bash: [: missing `]' $ if [$(echo TEST) ]; then echo CONDITION; fi bash: [TEST: command not found $ if [$(echo TEST)]; then echo CONDITION; fi bash: [TEST]: command not found ...
1.1 if格式 if condition; then commands; fi 1.2 else if 和 else if condition; then...
TL;DR: How Do I Use ‘Else If’ in Bash Scripting? 'Else if'in bash scripting, often written as'elif', is used to check multiple conditions in your code. It is used with the syntax,if [firstStatement]; then... elif [secondCondition]; then... else. It’s a powerful tool that ...
linux shell脚本中的一行if/else条件看起来你的思路是对的，你只需要在“;“然后”语句。而且我会用...
Bash supports if-else statements so that you can use logical reasoning in your shell scripts. The generic if-else syntax is like this: if [ expression ]; then ## execute this block if condition is true else go to next elif [ expression ]; then ...
How to work of if else condition in shell scripting? Interactive Usage of CSH If Statements Question: My Solaris 10 csh implementation of the "if" statement seems suspicious or I may not have a clear understanding of it. The latter is likely considering my situation. ...
2. How do I write an if statement in a shell script? Writing an if statement in a shell script involves specifying a condition and the actions to take if the condition is true. Here’s the basic syntax: if[condition];then# code to execute if condition is trueelse# code to execute if...
Else If in PowerShell Introduction to Else If in PowerShell If / else conditions are the most useful conditions in a scripting language and you may want to use multiple times while writing script. If the first condition in If the statement fails then the second stage is ElseIf statement. ...