-           # Process and save buffers
-           CMD_NMEA=" $CMD_CONV_NMEA $CMD_COMPRESS $CMD_ENCRYPT > $DIROUT/$FILEOUT_NMEA"; vbm "DEBUG:CMD_NMEA:$CMD_NMEA"
-           CMD_GPX="  $CMD_CONV_GPX  $CMD_COMPRESS $CMD_ENCRYPT > $DIROUT/$FILEOUT_GPX";  vbm "DEBUG:CMD_GPX:$CMD_GPX"
-           CMD_KML="  $CMD_CONV_KML  $CMD_COMPRESS $CMD_ENCRYPT > $DIROUT/$FILEOUT_KML";  vbm "DEBUG:CMD_KML:$CMD_KML"
-           echo "buffer" $CMD_NMEA & # Save NMEA format
-           echo "buffer" $CMD_GPX & # Save GPX format
-           echo "buffer" $CMD_KML & # Save KML format
+           # Execute processing and save command string
+           echo "$buffer" | $CMD_CONV_NMEA | $CMD_COMPRESS | $CMD_ENCRYPT > "$DIROUT"/"$FILEOUT_NMEA" & # Save NMEA format
+           echo "$buffer" | $CMD_CONV_GPX  | $CMD_COMPRESS | $CMD_ENCRYPT > "$DIROUT"/"$FILEOUT_GPX" & # Save GPX format
+           echo "$buffer" | $CMD_CONV_KML  | $CMD_COMPRESS | $CMD_ENCRYPT > "$DIROUT"/"$FILEOUT_KML" & # Save KML format