Mehanik/rename_increment.sh

## rename_increment.sh
#!/usr/bin/env bash

FILES=$1
export INCREMENT=$2

for f in $(ls $FILES);
do
  NEW_NAME=$(echo $f | sed -r 's/([^0-9]*)0*([0-9]*)(.*)/echo "\1$((\2 + $INCREMENT))\3"/ge')
  echo "mv $f $NEW_NAME"
  mv $f $NEW_NAME
done
	#!/usr/bin/env bash

	FILES=$1
	export INCREMENT=$2

	for f in $(ls $FILES);
	do
	NEW_NAME=$(echo $f \| sed -r 's/([^0-9])0([0-9])(.)/echo "\1$((\2 + $INCREMENT))\3"/ge')
	echo "mv $f $NEW_NAME"
	mv $f $NEW_NAME
	done