idiotarchivist/dehydrate-fs
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dehydrate.sh
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@ -5,7 +5,7 @@ image="$1"; [ -z "$1" ] && { echo "No image file specified!" >&2; exit 1; }
mfile="$2"; [ -z "$2" ] && { echo "No mapfile specified!" >&2; exit 1; }
[ -z "$3" -a -t 1 ] && { echo "The output of this script is unsafe for raw display." >&2
exit 1; } \
|| ofile=${3:-/dev/stdout}
|| ofile=${3:-/dev/stdout}
BLOCKSIZE=`sed -nE 's/^#BLOCKSIZE=([0-9]+)$/\1/p' "$mfile"`
[ -z "$BLOCKSIZE" ] && { echo "Mapfile does not specify blocksize!" >&2; exit 1; }