adding read file to array function

snippets/read-file-to-array.md

@@ -0,0 +1,19 @@
+### Read a file to an Array
+
+Use `readFileSync` function in `fs` node package to create a `Buffer` from a file.
+convert buffer to string using `toString(encoding)` function.
+creating an array from contents of file by `split`ing file content line by line(each `\n`).
+
+  ```js
+const fs = require('fs');
+const readFileToArray = filename => fs.readFileSync(filename).toString('UTF8').split('\n');
+/*
+  contents of test.txt :
+    line1
+    line2
+    line3
+    ___________________________
+  let arr = readFileToArray('test.txt')
+  console.log(arr) // -> ['line1', 'line2', 'line3']
+ */
+```

tag_database

@@ -67,6 +67,7 @@ powerset:math
 promisify:function
 random-integer-in-range:utility
 random-number-in-range:utility
+read-file-to-array:node
 redirect-to-URL:browser
 reverse-a-string:string
 RGB-to-hexadecimal:utility