bash: start multiple chained commands in background

Question

I\'m trying to run some commands in paralel, in background, using bash. Here\'s what I\'m trying to do:

forloop {
  //this part is actually written in perl
          


        

Answer 1

I haven't tested this but how about

print `(touch .file1.lock; cp bigfile1 /destination; rm .file1.lock;) &`;

The parentheses mean execute in a subshell but that shouldn't hurt.