Conditions in bash scripting (if statements) - Linux Academy Blog https://linuxacademy.com/blog/linux/conditions-in-bash-scripting-if-statements/ Table of conditions The following table list the condition possibilities for both the single- and the double-bracket syntax. Save a single exception, th...
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...
1.1 if格式 if condition; then commands; fi 1.2 else if 和 else if condition; then...
Bash scripting is a powerful tool for automating tasks in the Linux environment. One of the key elements of any programming or scripting language is conditional logic, and in Bash, this is achieved through if statements. In a bash script,if statementchecks whether a condition is true or not....
Scripting 1. Introduction As the ubiquitous Linux shell,Bashhas its own features and scripting syntax, which upgrade those of the regularshshell. On the other hand, most shells agree on how the basicconditional expressionswork at the logical and syntactic levels. ...
linuxhint@:~$basht6.sh Enter a number:101 linuxhint@:~$ Example 7: If Else Statement in Bash Scripting We will now demonstrate theELSEcondition. TheELSEcondition is used in the case where theIFcondition or all theELIFconditions do not exist then theELSEcondition will be used and the code...
'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...
Bash: 如何以grep的结果做为if condition #!/bin/kshgrep$NAME filenameif[ $? -eq0]echo"Name Found"elseecho"Name not Found"fi The $? holds the exit status of the previously executed command. Check the man page please. 来源:https://www.unix.com/shell-programming-and-scripting/30996-using...
Q. How does the if-else mechanism work in bash scripting? Theif-elsemechanism in Bash scripting allows the execution of a code block based on a specific condition. If the first condition (after theifstatement) is met, the corresponding code block is executed; otherwise, the code in theelse...
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 ...