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