#!/bin/bash

. qolop

_help() {
  _qCol G
  echo "Interactive rename"
  _qCol W
  echo "The alternative version stored as mvregex-q"
  _qCol Z
  rename --help | sed /^$/d
  exit
}

if [[ -z "$1" ]]; then _help; fi;
for (( i=1; i<=$#; i++ )); do
  [[ ${!i} = "--help" ]] && { _help; }
  [[ ${!i} = "-h" ]] && { _help; }
done
if [[ -z "$2" ]]; then files="*"; fi
set -e -o pipefail
rename -n "$@" $files | sed -e 's/^rename(//' -e 's/)$//' -e 's/, / -> /'
_qCol G
read -p "OK? " ok
_qCol Z
rename -v "$@" $files | sed -e 's/renamed as/=>/'