35 lines
789 B
Markdown
35 lines
789 B
Markdown
### readFileLines
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Returns an array of lines from the specified file.
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Use `readFileSync` function in `fs` node package to create a `Buffer` from a file.
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convert buffer to string using `toString(encoding)` function.
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creating an array from contents of file by `split`ing file content line by line (each `\n`).
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```js
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const fs = require('fs');
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const readFileLines = filename => fs.readFileSync(filename).toString('UTF8').split('\n');
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```
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```js
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/*
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contents of test.txt :
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line1
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line2
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line3
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___________________________
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*/
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let arr = readFileLines('test.txt')
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console.log(arr) // ['line1', 'line2', 'line3']
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```
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```js
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contents of test.txt :
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line1
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line2
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line3
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___________________________
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let arr = readFileLines('test.txt')
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console.log(arr) // // ['line1', 'line2', 'line3']
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```
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