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CI](https://github.com/telkomdev/node-filesig/actions/workflows/ci.yml/badge.svg)](https://github.com/telkomdev/node-filesig/actions/workflows/ci.yml)\n\n#### Requirements\n- Node version 12.x or higher\n\n#### Install\n\n```shell\n$ npm install filesig\n```\n\n#### Usage\nSimple\n```javascript\nconst filesig = require('filesig');\nconst fs = require('fs');\n\nfs.readFile('/home/john/document.pdf', (err, data) =\u003e {\n    if (err) {\n        console.log(err);\n    } else {\n        console.log(filesig.isPdf(data));\n    }\n});\n\n```\n\nOne of\n```javascript\nconst filesig = require('filesig');\nconst fs = require('fs');\n\nfs.readFile('/home/john/Capture.PNG', (err, data) =\u003e {\n    if (err) {\n        console.log(err);\n    } else {\n        let valid = filesig.oneOf(data, filesig.is3gp, filesig.isJpeg, filesig.isPng);\n        console.log(valid);\n    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