env_cfg

# Read and/or guess Erjang settings
PROP_FILE="$ERJANG_DIR/erjang_cfg.properties"
if [ -r "$PROP_FILE" ] ; then
    shopt -s extglob # Used for trimming
    # Parse properties file:
    while s=""; read s || [ -n "$s" ] ; do
	if [[ "$s" == "#"* ]]  ; then continue; fi # Comment line
	if [[ "$s" != *"="* ]] ; then continue; fi # No '='
	propname=${s%%=*} ; propname=${propname%%*([[:space:]])}
	propvalue=${s#*=} ; propvalue=${propvalue##*([[:space:]])}

	# Set variable if it has the right prefix:
	if [[ "$propname" == "erjang."* ]] ; then
	    varname=${propname//./_}
	    declare "$varname"="$propvalue"
	fi
    done < "$PROP_FILE"
fi

## For listing parsed property names:
# echo "${!erjang*}"

ERL_ROOT=${erjang_otp_root:-/usr/lib/erlang}
if [ -r "$ERL_ROOT/releases/start_erl.data" ] ; then
    ERTS_VSN_GUESS=$(awk '{print $1}' "$ERL_ROOT/releases/start_erl.data")
    OTP_VSN_GUESS=$(awk '{print $2}' "$ERL_ROOT/releases/start_erl.data")
fi
ERTS_VSN=${erjang_erts_version:-$ERTS_VSN_GUESS}
OTP_VSN=${erjang_otp_version:-$OTP_VSN_GUESS}