Help with m3u4u and removing channels from groups

I'm trying to get my channel list down to the 750 allowed. In m3u4u, I removed groups completely which helped, but I can't figure out how to remove channels within a group. I "hide" them, but when I re-sync the channel number does not go down...what is the correct method?

Hi there,
Unfortunately, the use of Third party tv services aren't directly supported.
if you want something quick and easy, simply download the m3u from your provider and copy what is needed to your local m3u.
project one click has built in support for threadfin and i've been checking out a neat program that is much better.]GitHub - sparkison/m3u-editor: Laravel based app for filtering and editing IPTV provider playlists
Unfortunately this stuff requires some work.]thanks

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Playlist Manager (a Streaming Library Manager for Channels extension) can handle all of this for you, with a focus on what is required for Channels specifically. The max number of stations per output m3u is one of the default settings:

You can also add the resulting playlists to Channels with a single button click:

Basically, the process is completely simplified and internally managed.

When i first started, i actually downloaded the playlist from the provider and copied a the stuff i was interested in watching.
I uploaded the modified list to PLM and obviously assigned the channel and added Gracenote stuff becuase Gracenote will always be better than some of the other stuff used.
I will use m3u-editor to manage the lists and feed enabled links to PLM.
I'm all for filtering playlists before they hit plm.
The software is miles ahead of the alternatives.

Ok I have the extension set up...I used m3u4u to quickly get rid of some of the groups that I don't want...downloaded the m3u and uploaded it to PLM. I copied the m3u URL to the Enter Playlist section but it just keeps showing # stations as 0...am I missing a step?

Many, just follow the steps on the Wiki; it's all documented there.

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FYI, PLM will let you ignore whatever you want; you don't have to pare down the list before importing it. It can easily handle processing millions of stations without issue. However, if that is how you want to use it, totally up to you!

Thanks I'll try again...the reason I used m3u4u is when I first added my m3u and EPG to PLM, it said I had 57,000 channels...there should be 5,000. So I thought it wasn't reading things correctly and decided to try the m3u4u route. Thanks.

EDIT: Now that I'm looking more closely, is it supposed to list the channels or every show of every channel (like it is showing me now)?

Large lists are hard to deal with.

It doesn't know the difference; the issue lies in your source mixing those things together. If there is a line in the m3u file, PLM will parse it. You can just set all those "on-demand" things to "Ignore".

Ok thanks...any idea why now if I click on any of the PLM menu items I get an internal server error? I'm trying to look through logs but don't see anything...I've tried uninstalling the slm docker and redoing it but same issue...it worked fine earlier today...

EDIT: The "Parent Stations" menu item works but the other 3 don't...I guess I'd be fine wiping clean and starting over but when I've tried that, not all info is wiped...are there files/folders I should make sure are empty?

Unfortunatley, you are now seeing why i manually edited/coopied the stuff i wanted into a local m3u.
The file is uploaded to PLM and all seems to work.
I've been through what you are experiencing and it turned out to be a good learning experience.
editing the files with Textedit was painful but so far things are nice and stable.

Ok but I'm at a point now where I can't even upload my own playlist even if I wanted to...the playlist section is completely borked for some reason...reinstalling doesn't fix it so there must be a config file somewhere that doesn't get deleted when I delete the docker. I'm persistent though so will keep at it!

UPDATE: This seems to be causing the issue?

ERROR: Reading data... 'utf-8' codec can't decode byte 0xc3 in position 1708: invalid continuation byte

Did you map your data file to somehwere you can access it?
I'm talking about /app/program_files?
Normally you would map it to a windows share so as to have access to your csv files?
Mine is mapped to /volume1/channelsDVR/slm1
When you do the rebuild, you have to clear out your mapped folder.
When the docker restarts, it can re-create what you need.

Ok I'm back up and running but my new problem is that no matter whether I input the m3u and EPG or upload a file, the # of stations is "0"...lol what is going on?!

Did you already click on main and choose update stationlist?
The totals won't update until the process is completed.
When all is done, click on manage playlists and you will see an updated total.

Whew ok thanks...I was getting a bit crazy over here...all good now...the rest I think I can work through...thanks again...