} # Define stderr message function.
showUsage() {
echoerr "USAGE:"
- echoerr " bkgpslog.sh [ options ]"
+ echoerr " bkgpslog [ options ]"
echoerr
echoerr "OPTIONS:"
echoerr " -h, --help"
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""$debugCounter"
- echo "do stuff" 1>&2;
+ # Determine output file paths (time is start of buffer period)
+ FILEOUT_BASENAME="$(dateTimeShort)--P$(bufferTTL)S..$SCRIPT_HOSTNAME_location" ;
+ FILEOUT_NMEA="$FILEOUT_BASENAME".nmea ;
+ FILEOUT_GPX="$FILEOUT_BASENAME".gpx ;
+ FILEOUT_KML="$FILEOUT_BASENAME".kml ;
+ # Fill buffer
+ buffer="$(timeout "$bufferTTL""s" gpspipe -r)"; # Record gpspipe nmea data to buffer for bufferTTL seconds
+ # Process and save buffers
+ echo "$buffer" > "$DIROUT"/"$FILEOUT_NMEA" & # Save NMEA format
+ echo "$buffer" | gpsbabel -i nmea -f - -o gpx -F - > "$DIROUT"/"$FILEOUT_GPX" & # Save GPX format
+ echo "$buffer" | gpsbabel -i nmea -f - -o kml -F - > "$DIROUT"/"$FILEOUT_KML" & # Save KML format
+ vbm "DEBUG:Completed buffer session $debugCounter ." 1>&2;
+ # Reset buffer and filenames
+ unset buffer buffer_GPX buffer_KML FILEOUT_BASENAME FILEOUT_NMEA FILEOUT_GPX FILEOUT_KML;
done
fi
} # Main function.