Use this script to massive file renaming or conservation(as copy prefix in name of file) files in specific directory

file-renamer.sh

#!/usr/bin/env sh
trap 'echo "Usage: $0 path/to/folder {copy|replace} \"old_name|new_name\""' 0

export path=${1?"File to path wasn't specified!"};shift
export status=${1?"Status wasn't specified!"};shift
if [[ -z "$@" ]]; then
	echo "Name files wasn't specified!"
	exit 1
else
	# exmpl "name1part1 name1part2|name2part1 name2part2"
	if test $(echo $@ | tr -cd "|" | wc -c) -eq "1"; then 
		export name=$(echo $@ | cut -d "|" -f 1)
		export goal_name=$(echo $@ | cut -d "|" -f 2)
		if [[ -z $name ]]; then echo "Couldn't recognize file name!";exit 1; fi
		if [[ -z $goal_name && $status == "replace" ]]; then echo "Couldn't recognize file goal name!";exit 1; fi
	else 
		echo "Bad syntax in $@"
		exit 1
	fi
fi
export goal_files=$(ls $path | grep "$name")
if [[ -z $goal_files ]]; then
	echo "Goal files list is empty. Exiting..."
	exit 1
fi
export IFS=$'\n'
echo "Status - $status"

for filename in $goal_files; do
	if [[ $status == "copy" ]]; then
		result_filename="copy_$filename"
		echo "Copying $filename into $result_filename ..."
		cp "$path/$filename" "$path/$result_filename"
	elif [[ $status == "replace" ]]; then
		file_id=$(echo $filename | cut -d "." -f 1)
		file_type=$(echo $filename | cut -d "." -f 3-4)
		result_filename="$file_id.$goal_name.$file_type"
		echo "Moving $filename into $result_filename ..."
		mv "$path/$filename" "$path/$result_filename"
	else
		echo "Uknown status!"
		exit 1
	fi
done
exit 0