> Bytes from a working gzip it creates looks like this...
> 1F 8B 08 00 00 00 00 00 00 03 EC BD
>
> Bytes from a non-working gzip look like this...
> 1F EF BF BD 08 00 00 00 00 00 00 00 03 EF BF <- Red bytes should be 8B
>
This is the Unicode UTF8 "replacement character".
http://en.wikipedia.org/wiki/Replacement_character#Replacement_character
https://www.google.com/search?q=EF%20BF%20BD
https://www.google.com/search?q=0xEF+0xBF+0xBD
Somebody is not seeing your streamed data as binary. I don't know why a
UTF encoder/decoder would be called here.
I am not conversant with these NPM modules (fstream, etc.) I am sure
someone who has used these would know immediately if any flags need to be
set in your calls.
On Friday, July 27, 2012 1:44:40 PM UTC-5, Joe Ferner wrote:
>
> Before posting an issue I wanted to discuss it here to make sure I'm doing
> things correctly.
>
> What I'm seeing is occasional bad characters in my gzip file.
>
> Here is the code I use to create the file...
>
> var fstream = require('fstream');
> var tar = require('tar');
> var zlib = require('zlib');
>
> console.log("tar gzipping " + source + " -> " + dest);
> fstream.Reader({path: source, type: 'Directory'})
> .pipe(tar.Pack())
> .pipe(zlib.createGzip())
> .pipe(fstream.Writer(dest));
>
> 9/10 this code works great. 1/10 it adds 3 additional bytes to the
> beginning of the gzip file. Unfortunately it's happening
> very inconsistently and I'm unable to reproduce it reliably. I'm running on
> OSX using node 0.8.3.
>
> Bytes from a working gzip it creates looks like this...
> 1F 8B 08 00 00 00 00 00 00 03 EC BD
>
> Bytes from a non-working gzip look like this...
> 1F EF BF BD 08 00 00 00 00 00 00 00 03 EF BF <- Red bytes should be 8B
>
> If I change the three bytes above to 8B the file works again.
>
>
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