#!/bin/bash

SAVEIFS=$IFS
export IFS=$'\n';
CDIR=$(pwd)

echo "Recursive - Are you sure? CTRL-C now to terminate."
sleep 4

for i in `find $CDIR -type d -print`; do
  DIR=$i
  cd "$DIR"
  echo echo "In $DIR"
  find . -maxdepth 1 -type f \( -iname "* *" \) -exec bash -c 'mv -n "$0" "${0//\ /_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*-*" \) -exec bash -c 'mv -n "$0" "${0//\-/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*+*" \) -exec bash -c 'mv -n "$0" "${0//\+/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*,*" \) -exec bash -c 'mv -n "$0" "${0//\,/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*\!*" \) -exec bash -c 'mv -n "$0" "${0//\!/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*\'*" \) -exec bash -c 'mv -n "$0" "${0//\'"'"'/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*#*" \) -exec bash -c 'mv -n "$0" "${0//#/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*;*" \) -exec bash -c 'mv -n "$0" "${0//;/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*&*" \) -exec bash -c 'mv -n "$0" "${0//&/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*\[*" \) -exec bash -c 'mv -n "$0" "${0//\[/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*]*" \) -exec bash -c 'mv -n "$0" "${0//\]/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*(*" \) -exec bash -c 'mv -n "$0" "${0//\(/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*)*" \) -exec bash -c 'mv -n "$0" "${0//\)/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*___*" \) -exec bash -c 'mv -n "$0" "${0//___/_}"' {} \;
  find . -maxdepth 1 -type f \( -iname "*__*" \) -exec bash -c 'mv -n "$0" "${0//__/_}"' {} \;
  for f in `find . -maxdepth 1 -type f` ; do mv -v $f `echo $f | tr '[A-Z]' '[a-z]'` ; done
  cd "$CDIR"
done

IFS=$SAVEIFS