convert_proftpdconf_to_json

#!/bin/bash
set -e
set -u

Usage () { cat >&2 <<EOF
Usage: $0
Convert proftpd.conf to naive JSON version
EOF
}

if [ $# -gt 0 ] ; then
  Usage
  exit 1
fi

actions=(
  -e 's/#.*$//'
  -e 's/^[ 	]*//'
  -e 's/[ 	]*$//'
  -e '/^$/d'
  -e 's/\\/\\\\/g'
  -e 's/\"/\\"/g'
  -e 's#^</.*$#}#'
  -e 's#^<\([^/][^ 	]*\)[ 	][ 	]*\([^>]*\)>$#,"\1  \2":{"__":""#'
  -e 's#^<\([^/][^>]*\)>$#,"\1":{"__":""#'
  -e 's#^\(LogFormat\)[ 	][ 	]*\([^ 	]*\)[ 	][ 	]*\([^ 	].*\)$#,"\1  \2":"\3"#'
  -e 's#^\([^,}][^ 	]*\)[ 	][ 	]*\([^ 	].*\)$#,"\1":"\2"#'
  -e 's#^\([^,}].*\)$#,"\1":true#'
)
echo '{"__":""'
sed "${actions[@]}"
echo '}'