Samsung Galaxy S Plus I9001 rooten

nex@mathias-pc:~/galaxy/I9001XXKP4$ sh -x '/home/nex/galaxy/I9001XXKP4/extract.sh' '/home/nex/galaxy/I9001XXKP4/SMD_PDA_I9001XXKP4_CL374422_REV00_user_low_ship_EMMC.smd' 
+ base=0
+ length=1
+ length
/home/nex/galaxy/I9001XXKP4/extract.sh: 1: length: not found

#!/bin/bash

if [ "${1}" == "-p" ]
then
	echo "Creating PDA Archive"
	echo -n "PDASMDIMG" > newheader
	dd if=/dev/zero of=newheadertmp bs=1 count=7 2>/dev/null
	cat newheadertmp >> newheader
elif [ "${1}" == "-c" ]
then
	echo "Creating CSC Archive"
	echo -n "CSCSMDIMG" > newheader
	dd if=/dev/zero of=newheadertmp bs=1 count=7 2>/dev/null
	cat newheadertmp >> newheader
elif [ "${1}" == "-m" ]
then
	echo "Creating Modem Archive"
	echo -n "MODEMSMDIMG" > newheader
	dd if=/dev/zero of=newheadertmp bs=1 count=5 2>/dev/null
	cat newheadertmp >> newheader
else
	echo "Missing Parameter!"
	echo "Usage: ..."
	exit 1
fi

# We use always 2560 Bytes Header. Make it dynamic, if you want. :)

offset=2560
length=0
loop=3

#we need one loop for each file. First argument is archive type, then the filenames
let "loops = $# + 1"

while (( loop < loops ))
do
	if [ -e "${!loop}" ]
	then
		# calculate filesize
		filesize=$(stat -c%s ${!loop})
		hexsize=`echo ""$filesize" "16" o p" | dc`
		hexstring="00000000${hexsize}"
		stringlen=`echo ${#hexstring}`
		hexsize="${hexstring: -8}"
		byte1="\x${hexsize:6:2}"
		byte2="\x${hexsize:4:2}"
		byte3="\x${hexsize:2:2}"
		byte4="\x${hexsize:0:2}"
		echo -n -e "${byte1}${byte2}${byte3}${byte4}" >> newheader

		#calculate offset
                hexsize=`echo ""$offset" "16" o p" | dc`
                hexstring="00000000${hexsize}"
                stringlen=`echo ${#hexstring}`
                hexsize="${hexstring: -8}"
                byte1="\x${hexsize:6:2}"
                byte2="\x${hexsize:4:2}"
                byte3="\x${hexsize:2:2}"
                byte4="\x${hexsize:0:2}"
                echo -n -e "${byte1}${byte2}${byte3}${byte4}" >> newheader

		#next offset is after the next file
		let "offset += filesize"

		# a 1000 - why ever
		echo -n -e "\x01\x00\x00\x00" >> newheader

		# filetype. Seems to specify the partition or something
		type=`expr match "${!loop}" 'partition'`
		if (( type > 0 ))
		then
			echo -n -e "\x00\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'osbl'`
		if (( type > 0 ))
		then
			echo -n -e "\x46\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'EMMCBOOT'`
		if (( type > 0 ))
		then
			echo -n -e "\x47\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'boot.img'`
		if (( type > 0 ))
		then
			echo -n -e "\x48\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'amss'`
		if (( type > 0 ))
		then
			echo -n -e "\x49\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'dbl'`
		if (( type > 0 ))
		then
			echo -n -e "\x4D\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'adsp'`
		if (( type > 0 ))
		then
			echo -n -e "\x50\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'persist'`
		if (( type > 0 ))
		then
			echo -n -e "\x90\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'recovery'`
		if (( type > 0 ))
		then
			echo -n -e "\x91\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'emmcparam'`
		if (( type > 0 ))
		then
			echo -n -e "\x92\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'system'`
		if (( type > 0 ))
		then
			echo -n -e "\x93\x00\x00\x00" >> newheader
		fi
		type=`expr match "${!loop}" 'cache'`
		if (( type > 0 ))
		then
			echo -n -e "\x94\x00\x00\x00" >> newheader
		fi

		#filename
		echo -n "${!loop}" >> newheader
		length=`expr length ${!loop}`
		let "count = 16 - length"
		dd if=/dev/zero of=newheadertmp bs=1 count=${count} 2>/dev/null
		cat newheadertmp >> newheader

		# MD5 checksum
		checksum=`md5sum ${!loop} | tr '[a-z]' '[A-Z]'`
		echo -n ${checksum:0:32} >> newheader
	else
		echo "File not found: ${!loop}"
		exit 1
	fi
	let "loop += 1"
done
filesize=$(stat -c%s newheader)
let "size = 2560 - filesize"

dd if=/dev/zero of=newheadertmp bs=1 count=${size} 2>/dev/null
cat newheadertmp >> newheader
rm newheadertmp

loop=3

cat newheader > ${2}

while (( loop < loops ))
do
	cat ${!loop} >> ${2}
	let "loop += 1"
done
rm newheader

pack2.sh TYPE Archiv.smd file1 file2 file3 ...

./pack2.sh -p Kernel.smd boot.img

./pack2.sh -p SMD_I9001BOKF6_I9001BOKF6_CL319318_REV00_user_low_ship_EMMC_test.smd partition.bin dbl.mbn osbl.mbn amss.mbn EMMCBOOT.MBN adsp.mbn boot.img system.ext4 cache.ext4 recovery.img persist.ext4 emmcparam.bin