--- a
+++ b/download_data.sh
@@ -0,0 +1,23 @@
+
+# create a directory
+mkdir brain_tumor_dataset
+cd brain_tumor_dataset
+
+# download the dataset
+wget -O temp.zip -q https://ndownloader.figshare.com/articles/1512427/versions/5
+
+# unzip the dataset and delete the zip
+unzip -q temp.zip && rm temp.zip
+
+# concatenate the multiple zipped data in a single zip
+cat brainTumorDataPublic_* > brainTumorDataPublic_temp.zip
+zip -FF brainTumorDataPublic_temp.zip --out data.zip > progress.txt
+
+# remove the temporary files
+rm brainTumorDataPublic_*
+
+# unzip the full archive and delete it 
+unzip -q data.zip -d data && rm data.zip
+
+# check that "data" contains 3064 files
+ls data | wc -l
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