mkdir merged
for FILE in *.shp
do
BASENAME=$(basename $FILE .shp)
#OUTFILE=shp/${BASENAME}.shp
echo "Processing: ${BASENAME}.shp"
if [ -f merged\merged.shp ]
then
ogr2ogr -f "ESRI Shapefile" merged/merged.shp $FILE -nln Merged
else
ogr2ogr -f "ESRI Shapefile" -update -append merged/merged.shp $FILE -nln Merged
fi
done