#!/bin/sh
if [ ! -d $1 ] ; then 
echo "Exiting due to non-existing $1"
exit #Check if source drive exists#
#
fi


if [ ! -d $2 ] ; then mkdir $2 #checking if destination directory exists #

else  echo -e "Usage::# phar image_path archive_path" #outputs helpful error message #

find $1 -name "IMG_*.JPG" # find files #
fi

for i in $1; do  #finds duplicate files and copies the non duplicate files.
    find $i -type f -name 'IMG_*.jpg' -exec cp {} $2 \;
    for j in $2; do
        find $2 -type f -name $i | while read filename; do if test "$i"="$j"; then mv $i new_filename; fi done
    done
done 

#then
#    mv -f "IMG_*.JPG.JPG"
#
#    else if  diff -q $file1 $file2  ; then echo "files are the same" ; exit # Checks if two files are the same.#
#    fi

# output a list of the files copied and moved
# readlink -f.-name"iMG".JPG>files_moved.txt