Feed not parsable due to strange first line

[jmozmoz]

Hello,

I would like to ask why this feed cannot be parsed by tt-rss:
https://ocw.mit.edu/rss/new/mit-newcourses.xml

If I check it with https://fakecake.org/myfeedsucks/ I get the following first lines:
[code]
00006000
<?xml version="1.0" encoding="utf-8" ?>
<?xml-stylesheet title="XSL_formatting" type="text/xsl" href="../../styles/rss.xsl"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns="http://purl.org/rss/1.0/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:enc="http://purl.oclc.org/net/rss_2.0/enc#"
xmlns:media="http://search.yahoo.com/mrss/">

<channel rdf:about="https://ocw.mit.edu/courses/">
...
[/code]

So there is this strange first line (00006000). I do not see it if I download the feed with curl or wget (or Firefox).

I have already contacted the administrators of the site and they seem really helpful, so if somebody could hint what the problem is, they will certainly try to fix it.

Thank you for your help.
Joachim

[jmozmoz]

Update: If I use curl --raw I also see this strange 00006000 in the first line (and 00000000 in the last)

[jmozmoz]

Ok. So I found these to pages which describe the same problem:
https://github.com/guzzle/guzzle/issues/1475
https://github.com/guzzle/guzzle/issues/1385

Now I do still not understand if this is a server or a client problem.

[fox]

>Now I do still not understand if this is a server or a client problem.

i think it's pretty obvious tbh

[jmozmoz]

My "fix" is to download these pages by curl (without raw) by a cron job and serve them to the tt-rss download client. Have I missed a more obvious way to fix this?