#!/bin/bash

# Интерактивное переименование PDF-файлов, используя информацию из метаданных

filelist() {
	for f in "$@"; do
		echo "\"$f\""
	done
}

DIR=$(pwd)

FILES=()

while [[ $# -gt 0 ]]; do
	key="$1"

	case $key in
	    -d|--directory)
	    DIR="$2"
	    shift # past argument
	    shift # past value
	    ;;
	    *)
	    FILES+=("$1") # save it in an array for later
	    shift # past argument
	    ;;
	esac
done

set -- "${FILES[@]}"

if [ "${#FILES[@]}" -gt 0 ]; then
	filelist "${FILES[@]}" | viper +'set ft=rename' +"let b:rename_dir=\"$DIR\"" | sed "s/^/mv /" | sh
else
	echo "USAGE: $(basename $0) [-d/--directory <dir>] file1.pdf file2.pdf [...]"
	exit 1
fi