If this, then that else something else. Doesn't make sense? It will after you learn about the if-else statements in bash shell scripting.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...
'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 allows your scripts to make decisions based on various scen...
if-statement-bash-scripting-example Nested if Statement If 语句和 else 语句可以嵌套在 bash 脚本中。关键字 fi 显示了内部 if 语句的结束,所有 if 语句都应该以关键字 fi 结束。 Syntax : if [ condition_command ] then command1 command2 …….. last_command else if [ condition_command2 ] then c...
linuxhint@:~$basht6.sh Enter a number:1 Valid1digit number entered linuxhint@:~$basht6.sh Enter a number:14 Valid2digit number entered linuxhint@:~$basht6.sh Enter a number:101 linuxhint@:~$ Example 7: If Else Statement in Bash Scripting ...
Here’s the samplebash shell script: #!/bin/bash n=10 if [ $((n%2))==0 ] then echo "The number is even." else echo "The number is odd." fi The output of the above script is: The number is even You’ll notice two interesting things about the above sample script: ...
[ s1 ] (true if s1 is not empty, else false) [ -n s1 ] (true if s1 has a length greater then 0, else false) [ -z s2 ] (true if s2 has a length of 0, otherwise false) Example Script number.sh #!/bin/bash echo -n “Enter a number 1 < x < 10: " ...
In this guide, we will explain how to use if statement in bash scripting. In bash shell scripting, If statement can be used in form of if, if-else, If-elif-else, netsted if and case. Bash scripting is a powerful tool for automating tasks in the Linux environment. One of the key ...
看起来你的思路是对的，你只需要在“;“然后”语句。而且我会用分号将第一行和第二行分开，而不是...
The Bash script uses conditional statements such as if, if-else, if-elif, and nested if to create conditional programs that execute based on the specified condition. You can also useif else in bash script inside for loop. Happy Shell scripting!
Shell中判断语句if中-z至-d的意思 - sunny_2015 - 博客园 https://www.cnblogs.com/coffy/p/5748292.html Conditions in bash scripting (if statements) - Linux Academy Blog https://linuxacademy.com/blog/linux/conditions-in-bash-scripting-if-statements/ ...