renameFiles (x:xs) startNum = ( rename x ( prependNewTag x $ myIntToTag startNum ) ) : renameFiles xs (startNum + 1)
renameFiles (x:xs) startNum = ( rename x ( prependNewTag x $ myIntToTag startNum ) ) : renameFiles xs (startNum + 1)
renameFiles (x:xs) startNum = ( rename x ( prependNewTag x $ myIntToTag startNum ) ) : renameFiles xs (startNum + 1)