creates 25 empty files for <your_name><numer> each time it runs

randomFile.sh

#!/bin/bash

NAME="stephane"

last_num=$(ls scripts/${NAME}[0-9]* 2>/dev/null | sed "s/[^0-9]//g" | sort -n |$

echo $last_num

if [ -z "$last_num" ]; then
  last_num=0
fi

echo $last_num

for number in {1..25}; do
  updated_num=$((last_num + number))
  touch scripts/$NAME$updated_num
done

ls -l scripts