quick script to clip and re-project a shapefile

clip-and-reproject-shapefile.sh

#!/bin/bash

base_file='ne_50m_land' # change this to the filename of your shapefile
  
echo "clipping shapefile ${base_file}.shp"
  ogr2ogr -f "ESRI Shapefile" ${base_file}_clipped.shp $base_file.shp -clipsrc -180 -85.06 180 85.06

echo "setting ${base_file} to web mercator projection"
  ogr2ogr -t_srs EPSG:3857 ${base_file}_clipped_3857.shp ${base_file}_clipped.shp

echo "cleaning up redundant files"
  rm ${base_file}.*
  rm ${base_file}_clipped.*