carsten@lnx-dsk:~/Code/workspaces/netbeans/pyinfx/node$ rlwrap /usr/local/bin/node-repl
Welcome to the Node.js REPL.
Enter ECMAScript at the prompt.
Tip 1: Use 'rlwrap node-repl' for a better interface
Tip 2: Type Control-D to exit.
Type '.help' for options.
node> require.paths.push('.')
3
node> var file=require('fileIO_cps')
{
 "either": [Function],
 "readFile": [Function],
 "writeFile": [Function],
 "appendFile": [Function],
 "copyFile": [Function],
 "streamFile": [Function],
 "streamFileBy": [Function],
 "streamLines": [Function],
 "writeStream": [Function]
}
node> var s=file.streamLines('/tmp/lines.txt', 'utf-8');
[Function]
node> s(function(msg,param){sys.puts('\n'+msg);sys.puts(param)})
node>
error
null

node> s('next')
TypeError: Bad argument
    at fileIO_cps.js:70:6
    at readAndEmit (fileIO_cps.js:149:34)
    at fileIO_cps.js:144:47
    at emitOrKeepReading (fileIO_cps.js:180:17)
    at Object.<anonymous> (fileIO_cps.js:174:19)
    at EventEmitter.<anonymous> (eval at readline (/usr/local/lib/node/libraries/repl.js:48:9))
    at EventEmitter.readline (/usr/local/lib/node/libraries/repl.js:48:19)
    at node.js:990:9
node>