Bash Script to Call a Function and Get Return

2023年12月1日 — One way to return values from a Bash function is by using global variables. A global variable is accessible from anywhere in the script, which ...

探討. 我們藉由一個腳本來區別return 和exit 的差異. bash 腳本 1 #!/bin/bash 2 ...

可是這返回值也很特別，不是要return 什麼，而是要使用變數去接或者直接輸出(echo)訊息。而我個人比較偏好使用echo 來接收返回值，我的理由就是-『全域變數越少越好』啦！

2023年9月14日 — Learn how to return values from Bash functions using two methods: by sending function output to standard output, and by leveraging global ...

2013年6月27日 — Although Bash has a return statement, the only thing you can specify with it is the function's own exit status (a value between 0 and 255 ...

2012年1月5日 — A Bash function can't return a string directly like you want it to. You can do three things: Echo a string; Return an exit status, ...

2023年7月4日 — In bash, a function can return values using the return statement. The return statement is used to set the return status of the function, which ...

Shell Script. Shell Script. bash function. bash有幾個概念. echo string; return exit status(a number, not a string); share variable (可用 bash -n filename 檢查 ...

2022年8月23日 — With no return keyword, the function returned value is the last executed return code of the last command executed in the function. This ...

2009年9月11日 — To return values, you can set a global variable with the result, or use command substitution, or you can pass in the name of a variable to use ...