Ars Technica

kill background and exit parent shell script

# trap and end any background jobs upon interrupt. trap "printf 'Quitting early.'; kill 0" INT TERM EXIT ERR makessl & makebdb & makepcre & wait 1 2 3 makecf I would expect that if any of the three ...
Linux Journal

Work the Shell - Understanding Exit Codes

Last month, we looked at signals, the rudimentary mechanism that processes on a Linux box can use to communicate events and state changes. We talked about how each of the signals can be sent manually ...
Linux Journal

Work the Shell - Understanding Shell Script Shorthand

Oh happy day! I got an e-mail from a reader with a shell script question that didn't appear to be homework from a programming class or anything to do with hacking passwords. The reader wrote: I am ...
Ars Technica

Bash Script: Capture seg fault and exit loop

Hey,<BR><BR>I've got a script that runs a program in a loop. The program writes a file, and the script extracts a value out of that file. If the value doesn't meet the criteria, the loop ...