Call a function using nohup

Question

I am trying to call a function using nohup like this:

function1(){
    while true 
    do
        echo \"function1\"
        sleep 1
    done
}
         


        

Answer 1

nohup applies to commands and not to script functions.

For example, the script (say func.sh) that contains function1() should call the function-:

function1(){
    while true 
    do
        echo "function1"
        sleep 1
    done

}

function1

Now call the script func.sh with nohup in the background-:

nohup ./func.sh &

If you need to disable the hangup signal from within the script use the shell built-in trap. The example ignores SIGHUP but can be used to ignore others (e.g. SIGINT).

trap "" HUP   # script will ignore HANGUP signal