idiotarchivist/dehydrate-fs
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compare: idiotarchivist:7d7fa1e2a55f12cb0c43838de832dbddb058582d
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dehydrate.sh
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@ -3,9 +3,9 @@ set -eo pipefail
image="$1"; [ -z "$1" ] && { echo "No image file specified!" >&2; exit 1; } image="$1"; [ -z "$1" ] && { echo "No image file specified!" >&2; exit 1; }
mfile="$2"; [ -z "$2" ] && { echo "No mapfile specified!" >&2; exit 1; } mfile="$2"; [ -z "$2" ] && { echo "No mapfile specified!" >&2; exit 1; }
[ -z $3 ] && [ -t 1 ] && { echo "The output of this script is unsafe for raw display." >&2 [ -z "$3" -a -t 1 ] && { echo "The output of this script is unsafe for raw display." >&2
exit 1; } \ exit 1; } \
|| ofile=${3:-/dev/stdout} || ofile=${3:-/dev/stdout}
BLOCKSIZE=`sed -nE 's/^#BLOCKSIZE=([0-9]+)$/\1/p' "$mfile"` BLOCKSIZE=`sed -nE 's/^#BLOCKSIZE=([0-9]+)$/\1/p' "$mfile"`
[ -z "$BLOCKSIZE" ] && { echo "Mapfile does not specify blocksize!" >&2; exit 1; } [ -z "$BLOCKSIZE" ] && { echo "Mapfile does not specify blocksize!" >&2; exit 1; }