Shell Script function 函式

2023年7月4日 — The return statement is used to set the return status of the function, which is an integer value between 0 and 255. Conventionally, a return ...

2023年9月14日 — In Bash, however, functions don't return values in the same way. Instead, they produce an exit status of the last command that was run within ...

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 ...

2024年3月17日 — Return values are an integral part of a Bash function. The bash function returns values by using the return statement.

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, ...

2009年9月11日 — When a bash function ends its return value is its status: zero for success, non-zero for failure. To return values, you can set a global ...

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 ...

2021年4月5日 — echo Return value is $?. 輸出如下，. 1, Return value is 5 ...

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 檢查語法) ...

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 ...