executing bash loop while command is running

Question

I want to build a bash script that executes a command and in the meanwhile performs other stuff, with the possibility of killing the command if the script is killed. Say, ex

Answer 1

What you want is to do two things at once in shell. The usual way to do that is with a job. You can start a background job by ending the command with an ampersand.

copy $SOURCE $DEST & 

You can then use the jobs command to check its status.

Read more:

• Gnu Bash Job Control