nofile

A simple tool, for Node.js, to find the first missing file in a directory, based on a simple string pattern.

1. Installation

~$ npm install -s nofile

2. Usage

You can use the sync or the async approach.

In the above examples, supose that there is a folder in your filesystem that looks like this:

/temporary
├── file.1.txt
├── file.2.txt
├── file.3.txt
└── file.4.txt

1. Example of sync approach:

var nofile = require("nofile").findSync("/temporary/file.{n}.txt");
// 'nofile' is "/temporary/file.5.txt" now

2. Example of async approach:

require("nofile")
  .find("/temporary/file.{n}.txt")
  .then(function(nofile) {
    // 'nofile' is "/temporary/file.5.txt" now
});

3. API

Method: nofile.find

Type: {Function}

Parameters: {String:pattern} Pattern to find the first missing file. It is a pattern because it needs to contain "{n}" literally. This substring will be replaced by 0, 1, 2, 3, 4,... (and so on) until a missing file is found.

Returns: {Promise}

Description: Finds the first missing file based on the passed pattern, and returns a {Promise} object that receives that file.

Example: see the Usage section of this document.

---

Method: nofile.findSync

Type: {Function}

Parameters: {String:pattern} Pattern to find the first missing file. It is a pattern because it needs to contain "{n}" literally. This substring will be replaced by 0, 1, 2, 3, 4,... (and so on) until a missing file is found.

Returns: {String} The missing file itself.

Description: Finds the first missing file based on the passed pattern, and returns it as {String}.

Example: see the Usage section of this document.

4. Conclusion

This is a very simple module, but can result handy in order to avoid typing unnecessary code.