2024-12-27 23:04:55 -08:00
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[⬅️ Back to `index`](index.md)
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# Formatting of socket
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IRC is quite a hassle to understand, so the first thing to know about the protocol is the **socket** and **server/client**.
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2024-12-27 23:28:17 -08:00
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It's quite simple on client-side, but server-side has to supply more info:
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2024-12-27 23:04:55 -08:00
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```
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2024-12-27 23:34:25 -08:00
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↗️ PRIVMSG foo :content
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🔀 :nick!ident@host PRIVMSG foo :content
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↗️ COMMAND arg :content
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↙️ :server RPL nick data :content
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```
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> [!CAUTION]
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> If the command has content, the colon MUST be included, and is at the beginning of the content, not the end of the command/args.
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> ```
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> ↗️ COMMAND: content
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> ↙️ :server 421 nick COMMAND: :Unknown command
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> ```
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2024-12-28 13:17:42 -08:00
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> For more info on colon prefixes, see [Colon Prefixing](prefixing.md)
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> For more info on error 421, see [Unknown Command](notfound.md)
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