#!/bin/bash
# Reference:
# Ellis Brown
# https://github.com/amdegroot/ssd.pytorch/blob/master/data/scripts/VOC2012.sh

if [ -z "$1" ]
  then
    echo "extract data in current directory"
  else
    # check if is valid directory
    if [ ! -d $1 ]; then
        echo $1 "is not a valid directory"
        exit 0
    fi
    echo "navigating to" $1 "..."
    cd $1
fi

echo "Downloading VOC2012 trainval ..."
# Download the data.
curl -LO http://host.robots.ox.ac.uk/pascal/VOC/voc2012/VOCtrainval_11-May-2012.tar
echo "Done downloading."

# Extract data
echo "Extracting trainval ..."
tar -xvf VOCtrainval_11-May-2012.tar
echo "removing tar ..."
rm VOCtrainval_11-May-2012.tar