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# Shell script to stitch kml files together.
# SJP August 2015
# name the data directory
datadir='../data/'
echo $datadir
outfile='alltrip.kml'
endheader='<name>'
# Functions ##########################
unzipKmz()
{
echo file is $file
if [ ${file: -4} == ".kmz" ]
then
unzip $file
fi
}
extractTrack()
{
if [ -f doc.kml ]
then #
placelines=$( lineNums placemark doc.kml)
startline=$(echo $placelines | cut -d ' ' -f 1 )
endline=$(echo $placelines | rev | cut -d ' ' -f 1 | rev)
echo $FUNCNAME
sed -n "${startline},${endline}p" doc.kml >> ${outfile}
echo $FUNCNAME: placelines: $placelines
echo startline: $startline
echo endline $endline
rm doc.kml
fi
}
#
writeHeader()
{
if [ -f $outfile ]
then
mv $outfile $outfile.old
fi
#stopline=$(grep -n $endheader doc.kml | cut -d : -f 1 | head -1)
stopline=$(lineNums $endheader doc.kml | head -1)
echo $FUNCNAME
sed -e ${stopline}q doc.kml > $outfile
echo stopline = $stopline
}
# return a list of line numbers that match arg1
lineNums()
{
match=$1
file=$2
grep -ni ${match} ${file} | cut -d : -f 1
}
# Add ending tags to kml file
endKml()
{
echo "</Document>" >> ${outfile}
echo "</kml>" >> ${outfile}
}
######################################
# loop through the kml directory
count=0 # loop counter
for file in "$datadir"*.km?
do
count=$((count+1))
echo $count ":"
unzipKmz
if [ $count == 1 ]
then
writeHeader
fi
extractTrack
done
endKml
zip ${outfile}.kmz ${outfile}
rm ${outfile}
echo "finished"
#ls -f $datadir | while read -r file; do wc "$file"; done
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