dostuff0.sh

cd /path/to/demo/data/

# Download train.zip from Kaggle using
# https://www.kaggle.com/c/dogs-vs-cats/data

ls -l train.zip

-rw-r--r--@ 1 user  group   543M Jun 12 10:39 train.zip

unzip -qq train.zip

mkdir -p train_demo/cats validation_demo/cats \
   train_demo/dogs validation_demo/dogs

cp train/dog.7[4-7]*.jpg validation_demo/dogs
cp train/cat.7[4-7]*.jpg validation_demo/cats
cp train/dog.1???.jpg train_demo/dogs
cp train/cat.1???.jpg train_demo/cats

mv train train_orig
mv validation validation_orig

ln -s train_demo train
ln -s validation_demo validation

ls validation_demo/dogs | wc
ls validation_demo/cats | wc
ls train_demo/dogs | wc
ls train_demo/cats | wc

    444     444    5724
    444     444    5724
   1000    1000   13000
   1000    1000   13000