Add recent export and export script used.

.gitignore

@@ -1 +1,3 @@
-november_2022/
+november_2022/
+*_neurovault_data/
+scratch

README.md

@@ -51,3 +51,9 @@ cd november_2022
 
 sqlite3 neurovault.sqlite3
 ```
+
+## Creating the Backup on Prodution
+
+```
+export PGUSER=<user>; export PGPASSWORD=<password>; export PGHOST=<psql host>; ./create_export.sh
+```

create_export.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+############################################################################################
+# For use on neurovault production server to generate tar backups used in this repository. #
+############################################################################################
+
+set -euxo pipefail
+
+tables=('statmaps_atlas' 'statmaps_basecollectionitem' 'statmaps_cognitiveatlascontrast' 'statmaps_cognitiveatlastask' 'statmaps_collection_communities' 'statmaps_collection_contributors' 'statmaps_collection' 'statmaps_community' 'statmaps_statisticmap' 'statmaps_image' 'statmaps_nidmresults' 'statmaps_nidmresultstatisticmap')
+
+if [[ -z "$PGPASSWORD" || -z "$PGHOST" || -z  "$PGUSER" ]]; then
+    echo "Set PGPASSWORD, PGHOST and PGUSER environment variables."
+    exit 126
+fi
+
+cd "$(dirname "$0")"
+mkdir -p scratch/
+
+for table in ${tables[@]}; do
+    psql -c "COPY (select * from $table) TO STDOUT WITH CSV HEADER" > ./scratch/$table.csv
+done
+
+dname=$(date +%F)_neurovault_data
+tar --transform "s/scratch/$dname/" -czf $dname.tar.gz scratch