} # Define stderr message function.
showUsage() {
echoerr "USAGE:"
- echoerr " bkgpslog.sh [ options ]"
+ echoerr " bkgpslog [ options ]"
echoerr
echoerr "OPTIONS:"
echoerr " -h, --help"
--h | --help) showUsage; exit 1;; # Display usage.
--version) showVersion; exit 1;; # Show version
--v | --verbose) OPTION_VERBOSE="true"; vbm "DEBUG:Verbose mode enabled.";; # Enable verbose mode.
- --o | --output) if [ -d "$2" ]; then DIROUT="$2"; fi ;; # Define output directory.
+ --o | --output) if [ -d "$2" ]; then DIROUT="$2"; vbm "DEBUG:DIROUT:$DIROUT"; shift; fi ;; # Define output directory.
*) echoerr "ERROR: Unrecognized argument."; exit 1;; # Handle unrecognized options.
esac
shift
main() {
processArguments "$@" # Process arguments.
if checkapp gpspipe && checkdir "$DIROUT"; then
- # Determine output file paths
- FILEOUT_NMEA="$(dateTimeShort)".."$SCRIPT_HOSTNAME"_location.nmea ;
- #FILEOUT_GPX="" ;
- #FILEOUT_KML="" ;
+
# Determine script lifespan (note: exit if <= 0 since 'timeout' runs forever if provided "0s".
#if ! scriptTTL="$(timeUntilMidnight)"; then yell "ERROR: timeUntilMidnight exit code $?"; exit 1; fi
- scriptTTL="60"; #DEBUG DEBUG DEBUG DEBUG
+ scriptTTL="3600"; # DEBUG DEBUG DEBUG DEBUG
# Determine buffer lifespan
- bufferTTL="15";
+ bufferTTL="60";
- # Record gps data until life ends
+ # Record gps data until script lifespan ends
declare debugCounter; debugCounter="0"
while [[ "$SECONDS" -lt "$scriptTTL" ]]; do
((debugCounter++))
- timeout "$bufferTTL""s" gpspipe -r 1>> "$DIROUT"/"$FILEOUT_NMEA""$debugCounter"
- echo "do stuff" 1>&2;
+ # Fill buffer
+ buffer="$(timeout "$bufferTTL""s" gpspipe -r)"; # Record gpspipe nmea data to buffer for bufferTTL seconds
+ # Process buffer
+ buffer_GPX="$(echo "$buffer" | gpsbabel -i nmea -f - -o gpx -F - )"; # Convert buffer to GPX format
+ buffer_KML="$(echo "$buffer" | gpsbabel -i nmea -f - -o kml -F - )"; # Convert buffer to KML format
+ # Determine output file paths
+ FILEOUT_BASENAME="$(dateTimeShort)".."$SCRIPT_HOSTNAME"_location ;
+ FILEOUT_NMEA="$FILEOUT_BASENAME".nmea ;
+ FILEOUT_GPX="$FILEOUT_BASENAME".gpx ;
+ FILEOUT_KML="$FILEOUT_BASENAME".kml ;
+ # Save processed buffer data
+ echo "$buffer" > "$DIROUT"/"$FILEOUT_NMEA" # Save NMEA format
+ echo "$buffer_GPX" > "$DIROUT"/"$FILEOUT_GPX" # Save GPX format
+ echo "$buffer_KML" > "$DIROUT"/"$FILEOUT_KML" # Save KML format
+ vbm "DEBUG:Completed buffer session $debugCounter ." 1>&2;
+ # Reset buffer
+ unset buffer buffer_GPX buffer_KML
done
fi
} # Main function.