bash script help
Trying to solve a problem hereLets say that I have a linux script, that goes something like:
#!/bin/sh
while true
do
./commandline -opt1 -optN
sleep 30
done
I launch it like ./script &
I need to write the PID of the ./commandline process out to a file. THis process is long-running and so nothing past this line will execute unless it crashes.
I dont know how to make it write its pid to a pidfile! Help!