amiga,unpackrepackretroarch

#!/bin/bash
#unpack hdf file(s), rename, and repack
# set -x # verbose

# remove temp directory if it exists
rm -r temp*
#for each .hdf file in the current directory
for x in ./*.hdf; do
    # print the hdf filename
    echo $x
    # unpack the hdf file
    xdftool -f $x unpack ./temp
    # find the .slave files and return the count
    find . -iname *.slave | wc -l
    # create variable test with the count
    test=`find . -iname *.slave | wc -l`
    # check if test is greater than 0 (there is at least one slave file)
    if [ $test -gt 0 ]; then
    	# print that the slave file exists
	echo "Slave file exists"
	# find the slave file and change to that directory
	cd "$(find ./ -name *.Slave -printf '%h' -quit)"
	cd "$(find ./ -name *.slave -printf '%h' -quit)"
	# create variable that stores this directory name
        dirname=${PWD##*/}
	# print directory name
	echo $dirname stored
	# change "XXXXX.slave" to "game.slave"
	find . -iname '*.Slave' -execdir mv -n {} game.slave \;
	# print that it was renamed
	echo "renamed to game.slave"
	# get the total size of files in the current directory and subdirectories
	total_size=`du -s | cut -f1`
	# create a multiplier value of 1.25
	m=1.25
	# create a variable that multiplies total_size by m
	hdfsize=$(expr $m*$total_size | bc)
	# turn that value into a string with a "K" at the end
	hdfsize+="K"
	# go back a directory
	cd ..
	# print "packing"
	echo "packing"
	#pack the renamed game files back into an HDF with hdfsize
	xdftool -f $x.repack.hdf pack ./$dirname size=$hdfsize
	# print packed
	echo "packed"
	# make the sizes 0 again (probably not necessary)
	total_size=0
	hdfsize=0
	# print "moving"
	echo "moving"
	# move the file to the c:drive in the AMIGAREPACK folder
	mv $x.repack.hdf /mnt/c/AMIGAREPACK
	echo "moved"
	# change back to the original directory with all of the hdf files
	# will need to be changed to your directory
	cd /mnt/e/1/home/pi/RetroPie/roms/amiga-data/Games_HDF
	# change directory name variable to current directory
	dirname=${PWD##*/}
        # print that directory name
	echo back to $dirname
	# if there was no slave file in the check above
    else
	# print no slave file
	echo "No Slave file - doing nothing"
    fi
    # remove the temp directory
    rm -r temp*
    echo "Done.."
# end script
done