shift
done
} # Argument Processing
-timeUntilMidnight(){
- # Desc: Report seconds until midnight
- # Output: stdout: integer seconds until midnight
+timeUntilNextDay(){
+ # Desc: Report seconds until next day.
+ # Output: stdout: integer seconds until next day
# Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0
- # Usage: timeUntilMidnight
- # Usage: if ! myTTL="$(timeUntilMidnight)"; then yell "ERROR in if statement"; exit 1; fi
- local returnState
+ # Usage: timeUntilNextDay
+ # Usage: if ! myTTL="$(timeUntilNextDay)"; then yell "ERROR in if statement"; exit 1; fi
+ local returnState TIME_CURRENT TIME_NEXT_DAY SECONDS_UNTIL_NEXT_DAY
TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
- TIME_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%dT%H%M%S%z)" # Produce separator-less current timestamp with resolution 1 second.
- DATE_CURRENT="$(date -d "$TIME_CURRENT" --iso-8601=date)" ; # Produce `date`-parsable current timestamp with resolution of 1 day.
- DATE_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%d)" ; # Produce separator-less current timestamp with resolution 1 day.
- DATE_TOMORROW="$(date -d "$TIME_CURRENT next day" --iso-8601=date)" ; # Produce timestamp of tomorrow's date (res. 1 day).
- TIME_NEXT_MIDNIGHT="$(date -d "$DATE_TOMORROW" --iso-8601=seconds)" ; # Produce `date`-parsable timestamp of closest future midnight (res. 1 second).
- SECONDS_UNTIL_NEXT_MIDNIGHT="$(( $(date +%s -d "$TIME_NEXT_MIDNIGHT") - $(date +%s -d "$TIME_CURRENT") ))" ; # Calculate seconds until closest future midnight (res. 1 second).
- if [[ "$SECONDS_UNTIL_NEXT_MIDNIGHT" -gt 0 ]]; then
+ TIME_NEXT_DAY="$(date -d "$TIME_CURRENT next day" --iso-8601=date)"; # Produce timestamp of beginning of tomorrow with resolution of 1 second.
+ SECONDS_UNTIL_NEXT_DAY="$(( $(date +%s -d "$TIME_NEXT_DAY") - $(date +%s -d "$TIME_CURRENT") ))" ; # Calculate seconds until closest future midnight (res. 1 second).
+ if [[ "$SECONDS_UNTIL_NEXT_DAY" -gt 0 ]]; then
+ returnState="true";
+ elif [[ "$SECONDS_UNTIL_NEXT_DAY" -eq 0 ]]; then
+ returnState="WARNING_ZERO";
+ yell "WARNING:Reported time until next day exactly zero.";
+ elif [[ "$SECONDS_UNTIL_NEXT_DAY" -lt 0 ]]; then
+ returnState="WARNING_NEGATIVE";
+ yell "WARNING:Reported time until next day is negative.";
+ fi
+
+ try echo "$SECONDS_UNTIL_NEXT_DAY"; # Report
+
+ #===Determine function return code===
+ if [[ "$returnState" = "true" ]]; then
+ return 0;
+ elif [[ "$returnState" = "WARNING_ZERO" ]]; then
+ return 1;
+ elif [[ "$returnState" = "WARNING_NEGATIVE" ]]; then
+ return 2;
+ fi
+} # Report seconds until next day
+timeUntilNextHour(){
+ # Desc: Report seconds until next hour
+ # Output: stdout: integer seconds until next hour
+ # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0
+ # Usage: timeUntilNextHour
+ # Usage: if ! myTTL="$(timeUntilNextHour)"; then yell "ERROR in if statement"; exit 1; fi
+ local returnState TIME_CURRENT TIME_NEXT_HOUR SECONDS_UNTIL_NEXT_HOUR
+ TIME_CURRENT="$(date --iso-8601=seconds)"; # Produce `date`-parsable current timestamp with resolution of 1 second.
+ TIME_NEXT_HOUR="$(date -d "$TIME_CURRENT next hour" --iso-8601=hours)"; # Produce `date`-parsable current time stamp with resolution of 1 second.
+ SECONDS_UNTIL_NEXT_HOUR="$(( $(date +%s -d "$TIME_NEXT_HOUR") - $(date +%s -d "$TIME_CURRENT") ))"; # Calculate seconds until next hour (res. 1 second).
+ if [[ "$SECONDS_UNTIL_NEXT_HOUR" -gt 0 ]]; then
returnState="true";
- elif [[ "$SECONDS_UNTIL_NEXT_MIDNIGHT" -eq 0 ]]; then
+ elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -eq 0 ]]; then
returnState="WARNING_ZERO";
- yell "WARNING:Reported time until midnight exactly zero.";
- elif [[ "$SECONDS_UNTIL_NEXT_MIDNIGHT" -lt 0 ]]; then
+ yell "WARNING:Reported time until next hour exactly zero.";
+ elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -lt 0 ]]; then
returnState="WARNING_NEGATIVE";
- yell "WARNING:Reported time until midnight is negative.";
+ yell "WARNING:Reported time until next hour is negative.";
fi
- try echo "$SECONDS_UNTIL_NEXT_MIDNIGHT"; # Report
+ try echo "$SECONDS_UNTIL_NEXT_HOUR"; # Report
#===Determine function return code===
if [[ "$returnState" = "true" ]]; then
elif [[ "$returnState" = "WARNING_NEGATIVE" ]]; then
return 2;
fi
-} # Report seconds until next midnight
+} # Report seconds until next hour
dateTimeShort(){
# Desc: Timestamp without separators (YYYYmmddTHHMMSS+zzzz)
# Usage: dateTimeShort
# Output: stdout: timestamp (ISO-8601, no separators)
+ local TIME_CURRENT TIME_CURRENT_SHORT
TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
TIME_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%dT%H%M%S%z)"; # Produce separator-less current timestamp with resolution 1 second.
echo "$TIME_CURRENT_SHORT";
processArguments "$@" # Process arguments.
if checkapp gpspipe && checkdir "$DIROUT"; then
+ # # Set script lifespan to end at start of next day
+ # if ! scriptTTL="$(timeUntilNextDay)"; then
+ # if [[ "$scriptTTL" -eq 0 ]]; then
+ # ((scriptTTL++)); # Add 1 because 0 would cause 'timeout' to never timeout.
+ # else
+ # yell "ERROR: timeUntilNextDay exit code $?"; exit 1;
+ # fi;
+ # fi;
- # Determine script lifespan (note: exit if <= 0 since 'timeout' runs forever if provided "0s".
- #if ! scriptTTL="$(timeUntilMidnight)"; then yell "ERROR: timeUntilMidnight exit code $?"; exit 1; fi
- scriptTTL="3600"; # DEBUG DEBUG DEBUG DEBUG
+ # Set script lifespan to end at start of next hour
+ if ! scriptTTL="$(timeUntilNextHour)"; then
+ if [[ "$scriptTTL" -eq 0 ]]; then
+ ((scriptTTL++)); # Add 1 because 0 would cause 'timeout' to never timeout.
+ else
+ yell "ERROR: timeUntilNextHour exit code $?"; exit 1;
+ fi;
+ fi;
# Determine buffer lifespan
bufferTTL="60";
declare debugCounter; debugCounter="0"
while [[ "$SECONDS" -lt "$scriptTTL" ]]; do
((debugCounter++))
- # Fill buffer
- buffer="$(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)".."$SCRIPT_HOSTNAME"_location ;
+ # Determine output file paths (time is start of buffer period)
+ FILEOUT_BASENAME="$(dateTimeShort)""--P""$bufferTTL""S..""$SCRIPT_HOSTNAME""_location" ; # ISO-8601 YYYYmmddTHHMMSS+zzP[$bufferTTL]S
FILEOUT_NMEA="$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"/"$FILEOUT_KML"; # Save KML format
+ # Fill buffer
+ buffer="$(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;
+ unset buffer FILEOUT_BASENAME FILEOUT_NMEA FILEOUT_GPX FILEOUT_KML;
done
fi
} # Main function.
projects / EVA-2020-02.git / blobdiff