mongoIndexExport

mongoIndexExport.js

db.getCollectionNames().forEach(function(collection) {
  var indexes = db.getCollection(collection).getIndexes();
  indexes.forEach(function(c) {
    opt = ''
    ixkey = JSON.stringify(c.key, null, 1).replace(/(\r\n|\n|\r)/gm, "")
    ns = c.ns.substr(c.ns.indexOf(".") + 1, c.ns.length)
    for (var key in c) {
      if (key != 'key' && key != 'ns' && key != 'v') {
        if (opt != '') {
          opt += ','
        }
        if (c.hasOwnProperty(key)) {
          if (typeof(c[key]) == "string") {
            opt += (key + ': "' + c[key] + '"')
          } else {
            opt += (key + ": " + c[key])
          }
        }
      }
    }
    if (opt != '') {
      opt = '{' + opt + '}'
    }
    print('db.' + ns + '.ensureIndex(' + ixkey + ',' + opt + ')')
  })
})