Variety.js - analyze all available collections

analyze-all.sh

#!/usr/bin/env bash

# the database name, that will be analyzed
DATABASE_NAME="test"

# read all collection names, using mongo shell
COLLECTIONS=$(mongo $DATABASE_NAME --eval "db.getCollectionNames().join('\n');" --quiet)

echo -e "Found collections: \n$COLLECTIONS"

# iterate over the collection names
while read -r collection; do
    echo
    echo "Collection '$collection':"
    # analyze every collection, no other options specified. Output is set to --quiet, no debug info will be printed,
    # only ascii table with the analysis.
    mongo  $DATABASE_NAME --quiet --eval "var collection = '$collection'" variety.js
    echo
done <<< "$COLLECTIONS"