Newbie Bash Multiple Entry problem

Hello, I've just started using bash and have a really simple problem, I've tried searching but I'm not sure what the problem is called I've wrote a simple script that essentially takes input in from a line using read -e and then performs an action, the action is just to take information from one place.. say 10,000 files, then cut it into sections and copy elsewhere I've done this, but I want to enter multiple sections, I might want 3 or 4 sections from the source data Simply put I don't want to have to enter the command when the action has finished i.e currently enter data in line of what I want and where to put it action performed what I want is to.. enter data in line enter different data in line enter different data in line action performed action performed action performed Thanks for your help

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