#!/bin/sh

if [ $# = 0 ]; then
        echo "no dir given"
        exit 1
fi

cd "$1"

for file in *.jpg; do
        echo $file
        newfile=`echo "$file" | tr 'a-z' 'A-Z'`
        if [ -f "$newfile" ]; then
                #echo "rm $file"
                rm -i "$file"
        else
                #echo "mv $file $newfile"
                mv -i "$file" "$newfile"
        fi
done