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\thttps://img.shields.io/circleci/project/github/shellscape/fwv.svg\n[tests-url]: https://circleci.com/gh/shellscape/fwv\n\n[cover]: https://codecov.io/gh/shellscape/fwv/branch/master/graph/badge.svg\n[cover-url]: https://codecov.io/gh/shellscape/fwv\n\n[size]: https://packagephobia.now.sh/badge?p=fwv\n[size-url]: https://packagephobia.now.sh/result?p=fwv\n\n# fwv\n\n[![tests][tests]][tests-url]\n[![cover][cover]][cover-url]\n[![size][size]][size-url]\n\nA ⚡️ crazy fast streaming ⚡️ Fixed Width Value Parser\n\nThis module is mostly useful to folks who have to parse\n[fixed-width format files](https://goo.gl/gGFdtw). Fixed-width files are often\ncreated from database reports or from Microsoft Excel. However, this module can\nalso be used to quickly parse a string containing data at specified locations.\n\n_Note: This module requires Node v8.11.0 or higher._\n\n## Install\n\nUsing npm:\n\n```console\n$ npm install fwv\n```\n\nUsing yarn:\n\n```console\n$ yarn add fwv\n```\n\n## Usage\n\n```js\nconst fwv = require('fwv');\n\nconst options = {\n  columns: [\n    { name: 'id', from: 0, to: 4 },\n    { name: 'name', from: 5, to: 11 },\n    { name: 'cost', from: 12, to: 16 }\n  ],\n  input: '0001 WIDGET 5.00'\n}\n\nconst result = await fwv(options);\n\n//→ [ { id: '0001', name: 'WIDGET', cost: '5.00' }]\n```\n\n## API\n\n### fwv([options])\n\nReturns: `Array[object]`\n\n#### options\n\nType: `object`\n\n##### columns\n\nType: `Array[object]`\n\nAn array of column configurations. Each item in the array will correspond to a\nproperty on the result for a given line.\n\n```js\n  {\n    name: \u003cstring\u003e,  // the name of the column / result object property\n    from: \u003cinteger\u003e, // the start position of the column\n    to: \u003cinteger\u003e    // the end position of the column\n  }\n```\n\n_Note: For an example column configuration, see\n[test/fixtures/config.js](test/fixtures/config.js)._\n\n##### input\n\nType: `string|Buffer|Stream`\n\nAn input value, upon which the parser will run.\n\nPassing a readable `Stream` is preferred, but you may pass a `string` or\n`Buffer`, and the module will convert it to a `Stream` for you.\n\n## Meta\n\n[CONTRIBUTING](./.github/CONTRIBUTING)\n\n[LICENSE (MIT)](./LICENSE)\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fshellscape%2Ffwv","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fshellscape%2Ffwv","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fshellscape%2Ffwv/lists"}