#!/bin/bash
echo "`basename $0`, Spawn 2007"
DIRECTORY="./"
EXT="JPG"
EXT2="jpg"
converted="new_photo"
VALUE=60
procedure ()
{
	for file in *.$EXT *.$EXT2
		do
		`convert -resize $VALUE% $file $DIRECTORY/$file`
	done
	exit 0
}

case $1 in
	"-h")
		echo "usage:	`basename $0` [-d <directory>]"
		echo "usage for convert only one photo: `basename $0` [-s <value> <input_photo> <output_photo>]"
		
		echo "-d <directory> is the directory that you want to put your output, if not specified will be used the current directory."

		echo "WARNING: If the output directory it is the same of the input, all your foto will be replaced!!"
		echo
		echo "-s option for resize only one photo"
		echo "example: spawn_convert_photo -s 70 pict.jpg new -> this option will resize your pict by 30%"
		
		echo
		echo "-h    show this output and exit"
		exit 0
		;;
	"-d")
		DIRECTORY=$2
		procedure
		;;
	"-s") 

		case $2 in
			*)
				VALUE=$2
				;;
		esac
		case $3 in
			*)
				photo=$3
				;;
		esac
		case $4 in
			*)
				converted=$4
				;;
		esac
		
		`convert -resize $VALUE% $photo $converted.$EXT2`
		
		exit 0
		;;
		
esac

if [ "./" = $DIRECTORY ]

	then echo "This option will be replace all your original photo with the new converted photo, are you sure? use -d option for put the new photo in another directory!
	you have 10 second to stop the process!"
	for ((a=1; a <= 10; a++))
	do
		sleep 1
		echo " $a second...."
	done
fi
procedure