NodeJS app to delete all documents in the given Cloudant database except for design documents

deleteSkipDDocs.js

/**
 * deletes all records in the given database except for design documents
 */

var Cloudant = require('cloudant')

if ( process.argv.length < 4) {
	console.warn("usage: node deleteall.js <account_name> <database_name>");
	process.exit(1);
}
var password = process.env.cloudant_password // at the shell type export cloudant_password="pwhere"
if ( !password ) {
	console.warn("First set your database password by typing: export cloudant_password='<type_real_password_not_this>' at the command line.");
	process.exit(1);
}

var me = process.argv[2]; // Set this to your own account
var dbname = process.argv[3];

Cloudant({account:me, password:password}, function(er, cloudant) {
  if (er)
    return console.log('Error connecting to Cloudant account %s: %s', me, er.message)

  // specify the database we are going to use
  var ldb = cloudant.db.use(dbname)
  // ldb.list({"include_docs":true}, function(er, body) {
  ldb.list(function(er, body) {
	  if (er) 
		  return console.log('Error listing docs')
		  body.rows.forEach(function(doc) {
			  if ( doc.id.substring(0,7) != '_design') {
				  console.log('deleting id: %s, rev: %s', doc.id, doc.value.rev)
				  ldb.destroy(doc.id, doc.value.rev, function(er, body){
					  if (er) console.log('ERROR: %s', er)
					  else console.log(body)
				  })
			  }
		  })
  })

})