4cade/bin/buildokvs.sh
2021-10-08 12:20:42 -04:00

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#!/bin/bash
# run from project root directory
# make temp file with just the key/value pairs (strip blank lines, comments, eof marker)
records=$(mktemp)
grep -v "^$" < "$1" | grep -v "^#" | grep -v "^\[" > "$records"
# make temp assembly source file that represents the binary OKVS data structure
source=$(mktemp)
(echo "*=0" # dummy program counter for assembler
echo "!le16 $(wc -l <"$records"), 0" # OKVS header
while IFS="=" read -r key value; do
echo "!byte ${#key}+${#value}+3" # OKVS record length
echo "!byte ${#key}" # OKVS key length
echo "!text \"$key\"" # OKVS key
echo "!byte ${#value}" # OKVS value length
echo "!text \"$value\"" # OKVS value
done < "$records") > "$source"
# assemble temp source file to create binary OKVS data structure
acme -o "$2" "$source"
# clean up
rm "$source"
rm "$records"