Download electoral cartography from the INE

carto_electoral.sh

#!/bin/bash
# Author: Diego Valle-Jones
# Web: http://www.diegovalle.net
# Purpose: Script to download electoral shapefiles
# from http://cartografia.ife.org.mx/sige7/?distritacion=federal
set -euo pipefail

# Be sure to update this variable when the INE updates the shapefiles 
DATE="13jul2016"

#set -e
# State abbreviations
declare -a states=("" "ags" "bc" "bcs" "camp" "coah" "col"
                   "chis" "chih" "cdmx" "dgo" "gto" "gro" "hgo" "jal"
                   "mex" "mich" "mor" "nay" "nl" "oax" "pue" "qro"
                   "qroo" "slp" "sin" "son" "tab" "tamps" "tlax" "ver"
                   "yuc" "zac");

# wget command
CURL="curl -fsS --retry 3  "

mkdir -p $DATE/shps/federal
mkdir -p $DATE/shps/local

# Federal
for i in {1..32}
do
    # The INE uses a leading zero for all one digit numbers
    if [ "$i" -lt 10 ]
    then
        FILENUM="0$i"
    else
        FILENUM="$i"
    fi
    TMPDIR=$(mktemp -d ine.federal.XXXXXXXXX)
    $CURL http://cartografia.ife.org.mx//descargas/distritacion2017/federal/$FILENUM/$FILENUM.zip  -o "${states[$i]}".zip
    unzip -o -j -LL -d $TMPDIR "${states[$i]}".zip
    mkdir -p "$DATE/shps/federal/${states[$i]}"
    mv $TMPDIR/* "$DATE/shps/federal/${states[$i]}"
    rm "${states[$i]}".zip && rm -rf $TMPDIR
done

# Local
for i in {1..32}
do
    # The INE uses a leading zero for all one digit numbers
    if [ "$i" -lt 10 ]
    then
        FILENUM="0$i"
    else
        FILENUM="$i"
    fi
    TMPDIR=$(mktemp -d ine.local.XXXXXXXXX)
    $CURL http://cartografia.ife.org.mx//descargas/distritacion2017/local/$FILENUM/$FILENUM.zip  -o "${states[$i]}".zip
    unzip -o -LL -d $TMPDIR "${states[$i]}".zip
    mkdir -p "$DATE/shps/local/${states[$i]}"
    mv $TMPDIR/* "$DATE/shps/local/${states[$i]}"
    rm "${states[$i]}".zip && rm -rf $TMPDIR
done

# You could use the code below to merge all the secciones into one giant
# shapefile.
# file="merge.shp"
# for i in $(find .  -name "seccion.shp"  )
# do
#   if [ -f "$file" ]
#       then
#            echo "merging……"
#            ogr2ogr -f 'ESRI Shapefile' -t_srs "EPSG:4326" -update -append $file $i -nln merge
#       else
#            echo "creating merge.shp" 
#            ogr2ogr -f 'ESRI Shapefile' -t_srs "EPSG:4326" $file $i
#   fi
# done