#!/bin/sh

# Syntax : les-dlt.sh first-file-no last-file-no
# Read DLT tape
# Data transfer from TRIACQ system
# Bent Ole Ruud, Ole Meyer
# UiB, IFJ, Oct 26, 2001


echo "First file no: $1"
echo "Last file no: $2"
echo "Is this correct [y/n]?"
read answer
if [ $answer = "y" -o $answer = "Y" ]
then
	echo "OK"
	first=$1
	last=$2

	tape=/dev/nst0

	echo "Rewinding tape ..."
	mt -f $tape rewind

	echo "Copying tape start file, 128 bytes ..."
	dd if=$tape of=datafile.dat bs=1048576 count=256

	echo "Copying shot files"
	filenr=$first
	while [ $filenr -le $last ]; do
   		echo "Writing file datafile$filenr.dat"
   		dd if=$tape of=datafile$filenr.dat bs=1048576 count=256
   	filenr=`expr $filenr + 1`
	done

	echo "Rewinding tape ..."
	mt -f $tape rewoff

	echo "Done!"
else
	echo "Correct mistakes"
fi

exit