1 files changed, 7 insertions, 2 deletions
diff --git a/data/extract.sh b/data/extract.sh
index 7acb1e2..37ce12c 100755
--- a/data/extract.sh
+++ b/data/extract.sh
@@ -1,14 +1,15 @@
 #!/bin/bash
 
+db_file=games_anon.db
+
 query() {
     echo "SELECT $1 FROM games WHERE (size == $2) \
 and (result != '1-0') and (result != '0-1') and (result != '0-0');"
 }
 
 extract() {
-    in_file=games_anon.db
     for size in 5 6; do
-        sqlite3 "$in_file" "$(query $1 $size)" > "playtak-$size"
+        sqlite3 "$db_file" "$(query $1 $size)" > "playtak-$size"
     done
 }
 
@@ -88,4 +89,8 @@ extract_ptn() {
     done < "playtak-$size"
 }
 
+if [ ! -f "$db_file" ]; then
+    wget "https://www.playtak.com/games_anon.db"
+fi
+
 extract notation