#!/bin/bash
# usage:
#   nmea-speedplot nmea-log.txt
#
# Output: nmea-log-speed.pdf
#
# compute speed profile for NMEA track
# frank, 6.4.2007

if [ $# -ne 1 ]; then
  echo "usage: nmea-speedplot nmea-log.txt"
  exit
fi

templog=`mktemp`

name=$1
base=${name%.*}
cp "$name" $templog
nmea-speedplot-octave $templog
rm $templog
mv $templog-speed.pdf "$base-speed.pdf"
