Add COCO trainval download script

Author: amdegroot

data/scripts/COCO2014.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+start=`date +%s`
+
+# handle optional download dir
+if [ -z "$1" ]
+  then
+    # navigate to ~/data
+    echo "navigating to ~/data/ ..."
+    mkdir -p ~/data
+    cd ~/data/
+    mkdir -p ./coco
+    cd ./coco
+    mkdir -p ./images
+    mkdir -p ./annotations
+  else
+    # check if specified dir is valid
+    if [ ! -d $1 ]; then
+        echo $1 " is not a valid directory"
+        exit 0
+    fi
+    echo "navigating to " $1 " ..."
+    cd $1
+fi
+
+if [ ! -d images ]
+  then
+    mkdir -p ./images
+fi
+
+# Download the image data.
+cd ./images
+echo "Downloading MSCOCO train images ..."
+curl -LO http://images.cocodataset.org/zips/train2014.zip
+echo "Downloading MSCOCO val images ..."
+curl -LO http://images.cocodataset.org/zips/val2014.zip
+
+cd ../
+if [ ! -d annotations]
+  then
+    mkdir -p ./annotations
+fi
+
+# Download the annotation data.
+cd ./annotations
+echo "Downloading MSCOCO train/val annotations ..."
+curl -LO http://images.cocodataset.org/annotations/annotations_trainval2014.zip
+echo "Finished downloading. Now extracting ..."
+
+# Unzip data
+echo "Extracting train images ..."
+unzip ../images/train2014.zip -d ../images
+echo "Extracting val images ..."
+unzip ../images/val2014.zip -d ../images
+echo "Extracting annotations ..."
+unzip ./annotations_trainval2014.zip
+
+echo "Removing zip files ..."
+rm ../images/train2014.zip
+rm ../images/val2014.zip
+rm ./annotations_trainval2014.zip
+
+end=`date +%s`
+runtime=$((end-start))
+
+echo "Completed in " $runtime " seconds"