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I want to be able to get the list of users and their details from an IRC channel without joining it and thus increasing its user count.

So instead of issuing JOIN #chan and then NAMES #chan to get the list of users, I can run the latter command. Is this possible?

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3 Answers 3

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You can issue NAMES for a channel where you are not in, but NAMES does not display users that are invisible (usermode +i).

Most servers set the usermode +i on connect, and some don't even allow changing it.

So if you don't have everyone set their usermode -i, you can't see them when not in the channel.

The RFC is not very specific about usermode +i. Some say that you can see users with +i on a NAMES reply if you share a common channel, and others say that you can not.

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6

While the RFC implies that you should be able to issue /NAMES #chan from outside #chan (or even just issue /NAMES to get everybody), in practice many servers I've seen will ignore the former if you are not in a channel and just reject the latter.

The only reliable way is to issue /JOIN and /NAMES, and then deduct one from the user list to account for your bot.

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You can see the number of users with /list #channel

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  • That wasn't the question - "get the list of users and their details".
    – Peter Mortensen
    Commented Jul 2, 2021 at 16:35
  • The count was about getting the information without affecting the IRC channel (by joining to get the information).
    – Peter Mortensen
    Commented Oct 17, 2021 at 16:32

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