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Running a node.js REPL over `curl`
/**
* Requires node v0.7.7 or greater.
*
* To connect: $ curl -sSNT. localhost:8000
*/
var http = require('http')
, repl = require('repl')
, buf0 = new Buffer([0])
var server = http.createServer(function (req, res) {
res.setHeader('content-type', 'multipart/octet-stream')
res.write('Welcome to the Fun House\r\n')
repl.start({
prompt: 'curl repl> '
, input: req
, output: res
, terminal: false
, useColors: true
, useGlobal: false
})
// log
console.log(req.headers['user-agent'])
// hack to thread stdin and stdout
// simultaneously in curl's single thread
var iv = setInterval(function () {
res.write(buf0)
}, 100)
res.connection.on('end', function () {
clearInterval(iv)
})
})
server.listen(8000)
☮ ~ (master) ⚡ curl -sSNT. localhost:8000
Welcome to the Fun House
curl repl> process.platform
'darwin'
curl repl> process.arch
'x64'
curl repl> process.cwd()
'/Users/nrajlich'
curl repl> path
{ resolve: [Function],
normalize: [Function],
join: [Function],
relative: [Function],
dirname: [Function],
basename: [Function],
extname: [Function],
_makeLong: [Function] }
curl repl> ^C
☮ ~ (master) ⚡
@chemdemo

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commented Dec 3, 2012

jnjnj

@grantgeorge

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commented May 10, 2016

nice

@crazyohpooh

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commented May 26, 2017

Hey

@mk-pmb

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commented Sep 18, 2017

The -sSNT curl options decode to: --silent --show-error --no-buffer --upload-file .. The dot as file name means to read file content from stdin in non-blocking mode, aka "show downloaded data while I'm still typing". I'd prefix the command with rlwrap to add line editing.

@SamB

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commented Aug 3, 2019

@mk-pmb Now you tell me, after I already looked that all those up!

@mk-pmb

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commented Aug 3, 2019

@SamB You're welcome! :-)

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