Files and Folders to lower case

#!/bin/bash
if [ "$1" == ""  ]
then
    echo -e "Usage: tolowcase 'path'\nFor exapmle:
        tolowcase \"$HOME/.wine/drive_c/Program Files/\"
        tolowcase \"$HOME/.wine/drive_c/Program Files\"
        tolowcase $HOME/.wine/drive_c/Program\ Files"
    exit
fi

list=`find "$1" | sort -r | sed "s/\ /\[:space:\]/g"`

for name in $list
do
    name=`echo $name | sed "s/\[:space:\]/\ /g"`
    path=`echo $name | sed 's/[^\/]*$//g'`      # pathname
    nameorig=`echo $name | sed 's/.*\///g'`     # filename
    namechng=`echo $nameorig | tr [:upper:] [:lower:]`
    if [ "$nameorig" != "$namechng" ]
    then mv "$path$nameorig" "$path$namechng"; echo "$path$nameorig -> $namechng"
    fi
done