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37 lines
666 B
Bash
37 lines
666 B
Bash
#!/bin/bash
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#
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# Quick and dirty script to insert a slice into a binary file
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# Copyright (C) 2016 Hamish Coleman
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#
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# TODO:
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# - a tool that is portable to Windows
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# - should output dependency information
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INFOFILE="$1"
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if [ ! -r "$INFOFILE" ]; then
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echo Need file with source and offset info
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exit 1
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fi
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shift
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INPUT="$1"
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if [ -z "$INPUT" ]; then
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echo Need input filename
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exit 1
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fi
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shift
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OUT="$1"
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if [ -z "$OUT" ]; then
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echo Need output filename
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exit 1
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fi
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read SOURCE OFFSET LENGTH <"$INFOFILE"
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set -x
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cp --reflink=auto $SOURCE $OUT
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dd status=none if=$INPUT bs=$[$LENGTH] count=1 | dd status=none conv=notrunc bs=$[$OFFSET] seek=1 of="$OUT"
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