Create a script to retrieve digit database

resources/.gitignore

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+download/

resources/retrieve_digit_database.bash

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+#!/bin/bash
+
+# Retrieve training and test image sets from the web http://yann.lecun.com/exdb/mnist/
+
+#wget --no-host-directories --cut-dirs=1 
+wget --directory-prefix=download --no-clobber \
+	http://yann.lecun.com/exdb/mnist/train-images-idx3-ubyte.gz \
+	http://yann.lecun.com/exdb/mnist/train-labels-idx1-ubyte.gz \
+	http://yann.lecun.com/exdb/mnist/t10k-images-idx3-ubyte.gz \
+	http://yann.lecun.com/exdb/mnist/t10k-labels-idx1-ubyte.gz
+
+gunzip --keep download/*