WebI have written a function which evaluates the sum of last 2-digits in a 5-digit number. The function should concatenate this resultant sum in between the last 2-digits and return it. The reason I want to return this value is because I will be using this value in the other function. WebJul 25, 2013 · To elaborate, the "return value" is always a number. Usually 0 means success, and non-zero means some kind of failure. The string (or text) that the command …
Bash Function Return Value
WebMar 25, 2011 · Learn some bash. The bash manual says (emphasis mine) return [n] Cause a shell function to stop executing and return the value n to its caller. If n is not supplied, the return value is the exit status of the last command executed in the function. Therefore, we don't have to EVER use 0 and 1 to indicate True and False. WebOct 16, 2011 · Careful, this presumes the command``returns a sane return value. Today most do, but e.g. vi(1)` (the original one) was (in)famous for its random return values. ... script bash to check that a service is running. 2. How to test if a file check in remote server with ssh and if statement. 0. strut tool
bash - How can I check if
WebMar 4, 2011 · You can use @john-kugelman 's awesome solution found above on non-RedHat systems by commenting out this line in his code:. /etc/init.d/functions Then, paste the below code at the end. Full disclosure: This is just a direct copy & paste of the relevant bits of the above mentioned file taken from Centos 7. WebJul 26, 2013 · To elaborate, the "return value" is always a number. Usually 0 means success, and non-zero means some kind of failure. The string (or text) that the command spits out is referred to as its "output", not its "return value". WebApr 2, 2024 · Bash does not work like regular programming languages when it comes to returning values. Here you are confusing output from checkFolderExist with return status from checkFolderExist.. Your CHECKINPUT and CHECKOUTPUT variables will be … strut workout clothing