keyword-count

Get the keyword frequency for a file or directory output as JSON.

Install

For the module:

npm install keyword-count

For the command:

npm install -g keyword-count

Example

File to Analyze - path/to/myFile.txt

'In that direction,' the Cat said, waving its right paw round, 'lives a Hatter: and in that direction,' waving the other paw, 'lives a March Hare. Visit either you like: they're both mad.'
'But I don't want to go among mad people,' Alice remarked.
'Oh, you can't help that,' said the Cat: 'we're all mad here. I'm mad. You're mad.'
'How do you know I'm mad?' said Alice.
'You must be,' said the Cat, 'or you wouldn't have come here.'

JSON with Keywords - path/to/keywords.json

{
	"keywords": ["Alice", "Cat", "March Hare", "Hatter", "mad"]
}

Usage

var keywordCount = require('keyword-count');

var options = {
    target: 'path/to/myFile.txt',
    keywordsList: 'path/to/keywords.json', // Can be filename or an array of strings, i.e. ["foo", "bar"]
    outputPath: 'path/to/results.json'    // Optional
};

keywordCount(options)
    .then(function(results) {
        // results written to path/to/results.json
        console.log(results);
    });

Tada! New file - path/to/results.json

{
	"myFile": {
		"Cat": 3,
		"Hatter": 1,
		"March Hare": 1,
		"Alice": 2,
		"mad": 6
	}
}

API

keywordCount(options)

Returns a promise that resolves with a results object. results matches the content written to your json file.

results will look like this:

// Given search for keywords ['foo', 'bar'] in MyFile.html
{
	MyFile: {
		foo: 5,
		bar: 2
	}
}

options

• target (string) Name of file or directory to inspect
• keywordsList (string or array) Name of json file with list of keywords or array of keywords
• outputPath (string) Optional. Path of where json output should be written. If not provided, defaults to target/results.json
• keyName (string) Optional. Name of array of keywords in keywordsList json file. Default is "keywords"
• ignoreCase (boolean) Optional. Whether search should ignore case. Default is false

Command usage

$ keyword-count <path/to/target-file-to-inspect> <path/to/keyword-list-json> {OPTIONS}

Options
	-i, --ignore-case  Ignore case of keywords
	-k, --key-name     Name of keyword array in json file
	-o, --output-file  Name of file for json output, i.e. -o path/to/output.json