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  "description": "Detects if a file is binary in Node.js. Similar to Perl's -B.",
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  "readme": "# isBinaryFile\n\nDetects if a file is binary in Node.js. Similar to [Perl's `-B` switch](http://stackoverflow.com/questions/899206/how-does-perl-know-a-file-is-binary), in that:\n- it reads the first few thousand bytes of a file\n- checks for a `null` byte; if it's found, it's binary\n- flags non-ASCII characters. After a certain number of \"weird\" characters, the file is flagged as binary\n\nMuch of the logic is pretty much ported from [ag](https://github.com/ggreer/the_silver_searcher).\n\nNote: if the file doesn't exist, is a directory, or is empty, the function returns `false`.\n\n## Installation\n\n```\nnpm install isbinaryfile\n```\n\n## Usage\n\n### isBinaryFile(filepath, callback)\n\n* `filepath`, a `string` indicating the path to the file.\n* `callback`, a `function` for the callback. It has two arguments:\n  - `err`, the typical Node.js error argument\n  - `result`, a `boolean` of `true` or `false`, depending on if the file is binary\n\n\n### isBinaryFile(bytes, size, callback)\n\n* `bytes`, a `Buffer` of the file's contents.\n* `size`, an optional `number` indicating the file size.\n* `callback`, a `function` for the callback. It has two arguments:\n  - `err`, the typical Node.js error argument\n  - `result`, a `boolean` of `true` or `false`, depending on if the file is binary\n\n\n### isBinaryFile.sync(filepath)\n\n* `filepath`, a `string` indicating the path to the file.\n\n\n### isBinaryFile.sync(bytes, size)\n\n* `bytes`, a `Buffer` of the file's contents.\n* `size`, an `number` indicating the file size.\n\n\nReturns a `boolean` of `true` or `false`, depending on if the file is binary.\n\n### Examples\n\n```javascript\nvar isBinaryFile = require(\"isbinaryfile\");\n\nfs.readFile(\"some_file\", function(err, data) {\n  fs.lstat(\"some_file\", function(err, stat) {\n    isBinaryFile(data, stat.size, function (err, result) {\n      if (!err) {\n        if (result) {\n          console.log(\"It is!\")\n        }\n        else {\n          console.log(\"No.\")\n        }\n      }\n    });\n  });\n});\n\nisBinaryFile.sync(\"some_file\"); // true or false\nvar bytes = fs.readFileSync((\"some_file\"));\nvar size = fs.lstatSync((\"some_file\").size;\nisBinaryFile.sync(bytes, size); // true or false\n```\n\n## Testing\n\nRun `npm install` to install `mocha`, then run `npm test`.\n",
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