help
v3.0.2
Published
substack way of --help
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help
substack way of --help
v3 of help
requires at least Node.js v4. To use help
with an older version,
please use [email protected]
.
Install
$ npm install help
Usage
var help = require('help')('usage.txt')
if (/* someone requested help */) {
return help(0)
}
API
help(filepath, stream)
returns function(code)
Pipes the contents of to process.stdout
.
code
is the exit code. If not falsy, then the process is explictly exited.
stream
defaults to process.stdout
Full example
var help = require('help')('usage.txt')
var args = process.argv.splice(2)
if (args[0] === '-h' || args[0] === '--help' || args[0] === 'help') {
// process prints contents of `usage.txt` and returns
return help()
}
// the first arg must be a number
if (isNaN(args[0])) {
// process prints contents of `usage.txt` and exits with code 1
return help(1)
}
Author
Evan Lucas
License
MIT (See LICENSE
for more info)