#!/bin/ksh
set -e

[[ -z $1 ]] && echo file? && exit 1
file=$1

(( lines = `grep -vE '^#|^$' $file | wc -l` ))

(( line_n = 0 ))

echo '{'
grep -vE '^#|^$' $file | while read line; do
	key=`echo $line | cut -f1 -d=`
	value=`echo $line | cut -f2- -d=`

	# define a null json entry
	[[ -z $value ]] && value=null

	(( line_n++ ))

	# last json entry
	if (( line_n == lines )); then
		cat <<EOF
  "$key": $value
EOF
	else
		cat <<EOF
  "$key": $value,
EOF
	fi

	unset key value
done
echo '}'