In the above code, multiple conditions are used using the OR operator. To achieve a complex behavior, multiple conditions can also be used with the while loop using logical operators that include AND (&&), OR (|
Break and Continue for Loop While the primary purpose of the For Loop is to iterate, you want it to stop repeating and break the loop when a specific condition is met. For that matter, there are independent statements to break and continue the loop. In other words, the break and continue...
While ‘else if’ is a powerful tool for handling multiple conditions in bash scripting, it’s not the only one. An alternative approach is the ‘case’ statement. ‘Case’ statements can be more readable and easier to maintain than a long list of ‘elif’ conditions, especially when you’...
Linux Bash Script loop syntax All In One shell 编程之流程控制 for 循环、while 循环和 until 循环 for forvarinitem1 item2 ... itemNdocommand1 command2 ... commandNdone forvarinitem1 item2 ... itemN;docommand1; command2…done; while until demos refs http://www.imooc.com/learn/408 htt...
Used to exit from the while or for loop but continue the rest of the script. continue Used to skip the current iteration of a loop and continue to the next iteration of the loop. Bash Arrays and Functions Array Explanation array=(“elements of array”) Used to create an array of strings...
Onlyecho "Program 2 was executed."runs becausefalsehas a non-zero exit status. You can combine multiple OR operators so that only the first program with an exit status of 0 is executed: false||echo1||echo2echo3||false||echo4echoAthos||echoPorthos||echoAramis ...
Regular expressions are shortened as ‘regexp' or ‘regex'. They are strings of characters that define a search pattern. It can be used as a search or search & replace operation. Loops and Conditions A loop is a statement in a bash programming language that allows code to be repeatedly ex...
Run your program at a specific time based on conditions by usingatq. Usecronto run a task more than once. Run many tasks on different machines—some with complex relationships. Apache Airflow is an excellent tool for this type of situation. ...
1. bash builtin commands(fedora38-GNU Bash 5.2) 1BASH_BUILTINS(1) General Commands Manual BASH_BUILTINS(1)23NAME4:, ., [, alias, bg, bind, break, builtin, caller, cd, command, compgen, complete, compopt, continue, declare, dirs, disown,echo,5enable, eval, exec, exit, export,fal...
tipc: make loop variables local (e1b535e) tipc: use double brackets in if conditions (d815b46) apache2ctl, aspell, make: Don't hardcode completion generator command (3426649) python: Support -Q and -W arg completion without space (a9d0250) xetex, xelatex, luatex, lualatex: Associate ...