truffle(develop)> truffle console --network ropsten
SyntaxError: Unexpected identifier
    at REPLServer.Interface._onLine (readline.js:282:10)
    at REPLServer.emit (events.js:211:7)
    at emitOne (events.js:116:13)
    at REPLServer.onLine (repl.js:468:10)
    at REPLServer.runBound [as eval] (domain.js:314:12)
    at bound (domain.js:301:14)
    at ReplManager.interpret (/usr/local/lib/node_modules/truffle/build/webpack:/packages/truffle-core/lib/repl.js:119:1)
    at Console.interpret (/usr/local/lib/node_modules/truffle/build/webpack:/packages/truffle-core/lib/console.js:164:1)
    at Object.runInContext (vm.js:119:10)
    at createScript (vm.js:80:10)