Cast string representation of Buffer into Buffer

Question

I want to convert a string that represents a Buffer into a string that is what the Buffer was encoding. For example, if I have the string

var str1 = "hello,there"

And then I convert it to a buffer using Buffer.from()

buf1 = Buffer.from(str1)
<Buffer 68 65 6c 6c 6f 2c 74 68 65 72 65>

Then if I take the String

str2 = "68656c6c6f2c7468657265"

And convert it back to give me EITHER the buffer again:

<Buffer 68 65 6c 6c 6f 2c 74 68 65 72 65>

OR simply just (since you can convert the buffer back to the string with .toString())

"hello,there"

vox · Accepted Answer · 2017-08-15 23:23:45Z

1

Buffer's toString function accepts an encoding type. In this case, use "hex":

buf1.toString( "hello,there", "hex" ) // "68656c6c6f2c7468657265"

The Buffer.from function also accepts an encoding type as its second parameter:

Buffer.from( "68656c6c6f2c7468657265", "hex") // "hello,there"

answered Aug 15, 2017 at 23:23

vox

8378 silver badges16 bronze badges

Sign up to request clarification or add additional context in comments.

1 Answer 1