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Section 24: The Callback Pattern in Node
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  • 24-Create-Node-JS-Command-Line-Tools/02-list

‎24-Create-Node-JS-Command-Line-Tools/02-list/index.js‎

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const fs = require('fs')
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fs.readdir('.', (err, filenames) => {
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// EITHER
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// err === an error object, which means something went wrong
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// OR
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// err === null, which means everything is OK
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if(err) {
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// error handling code here
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console.log(err);
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// return
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}
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console.log(filenames);
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})

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