#!/bin/bash

# Quick and dirty shell script to plot a track pulled from a Garmin GPS unit
# via garble. By Dave Pearson <davep@davep.org>
# $Revision: 1.1 $

if [ "$1" ]
then
    if [ -f "$1" ]
    then
        (
            [ "$DISPLAY" = "" ] && echo "set terminal dumb"
            [ "$2" ] && [ -f "$2" ] && sed -e 's/^\(.*\)\/\(.*\), \(.*\) \/\(.*\)/set label \"\1\" at \3,\2/' "$2"
            echo "plot \"-\" title \"$1\" with lines"
            sed -e 's/ \/.*//' -e 's/,//' -e '/^$/d' "$1" | sed -e 's/\([^ ]\+\) \([^ ]\+\)/\2 \1/g'
        ) | gnuplot -persist
    else
        echo "Can't find \"$1\""
    fi
else
    echo Usage: 
    echo -e "\t$(basename $0) <track-file> [<waypoint-file>]"
fi