40 lines
965 B
Bash
40 lines
965 B
Bash
|
#!/bin/sh
|
||
|
|
#
|
||
|
|
# $FreeBSD$
|
||
|
|
#
|
||
|
|
|
||
|
|
# Bail if things fail and be verbose about what we are doing
|
||
|
|
set -ex
|
||
|
|
|
||
|
|
# Arguments are as follows: file destdir chunksize description
|
||
|
|
FILE=$1; shift
|
||
|
|
DEST=$1; shift
|
||
|
|
CHUNK_SIZE=$1; shift
|
||
|
|
DESCR=$1; shift
|
||
|
|
|
||
|
|
# Make sure we can read the file.
|
||
|
|
[ -r ${FILE} ]
|
||
|
|
|
||
|
|
# Create clean working area to stick file chunks and list in
|
||
|
|
rm -rf ${DEST} || true
|
||
|
|
mkdir -p ${DEST}
|
||
|
|
|
||
|
|
# Split the file into pieces
|
||
|
|
prefix=`basename $FILE`
|
||
|
|
dd if=${FILE} bs=16k iseek=1 | split -b ${CHUNK_SIZE}k - ${DEST}/${prefix}.
|
||
|
|
|
||
|
|
# Create a special file for the first 16k that gets stuck on the boot
|
||
|
|
# floppy
|
||
|
|
files=`ls ${DEST}/${prefix}.*`
|
||
|
|
first=`echo "${files}" | head -1`
|
||
|
|
bootchunk="${DEST}/${prefix}.boot"
|
||
|
|
dd if=${FILE} of=${bootchunk} bs=16k count=1
|
||
|
|
|
||
|
|
# Create the split index file
|
||
|
|
echo `basename ${bootchunk}` "\"Boot floppy\"" > ${DEST}/${prefix}.split
|
||
|
|
i=1
|
||
|
|
for file in ${files}; do
|
||
|
|
echo `basename ${file}` "\"${DESCR} floppy ${i}\"" >> ${DEST}/${prefix}.split
|
||
|
|
i=$((i + 1))
|
||
|
|
done
|