Retrieve the shower PDFs

scripts/get_pdfs.sh

 #!/usr/bin/env bash
+
+export URL="http://pi1139.physik.uni-erlangen.de/data/latest"
 if [ ! -d "pdfs" ]; then
     echo "Retrieving PDFs..."
     mkdir pdfs
     cd pdfs
     for i in {1..6}; do
-        wget "http://pi1139.physik.uni-erlangen.de/data/latest/J${i}p.dat"
+        wget "$URL/J${i}p.dat"
+    done
+    for i in {13..14}; do
+        wget "$URL/J${i}p.dat"
     done
 else
     echo "PDFs already downloaded."