raw_input alternative for node.js

Question

I am creating a server application and I would like to be able to write commands like start server, stop server, broadcast("clients","Hello") in to my application but I can't figure out how to do it in node.

I do know how it would look inside python.

while on == 1:
    cmd = raw_input("user> ")
    if cmd == "start server":
        startserver()
    elif cmd == "stop server":
        stopserver()
        on = 0

I have seen some npm modules for this but they require me to write arguments, I want to make this a console type application.

Thanks

Thanks for referencing python. Only for that reason I stumbled upon this answer! — jneuendorf
– jneuendorf, Commented Jan 21, 2020 at 19:08

Peter Lyons · Accepted Answer · 2013-08-16 06:43:45Z

5

Here's a snippet that was recently removed from commander.js. Something along these lines should work.

process.stdout.write("user> ");
process.stdin.setEncoding('utf8');
process.stdin.once('data', function(val){
    //look at val here and execute startserver() et al accordingly
}).resume();

answered Aug 16, 2013 at 6:43

Peter Lyons

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3 Comments

C1D Over a year ago

That works but I have one problem, after I execute a command I want to be able to execute another, and for some reason it wont work if I put it in a loop, when I do it just spam's user >.

C1D Over a year ago

I fixed my problem by calling the function with in the function. Thanks :)

Peter Lyons Over a year ago

I believe process.stdin is initially paused so the resume starts it.

Bob Claerhout · Accepted Answer · 2013-08-16 06:48:50Z

1

This page explains exactly what you need

answered Aug 16, 2013 at 6:48

Bob Claerhout

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