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# irtt-rs
## NAME
irtt-rs - IRTT-compatible multi-applet dispatcher
## SYNOPSIS
`irtt-rs` `client` [*OPTIONS*] [*[LABEL=]TARGET*]...
`irtt-rs` `tui` [*OPTIONS*] *[LABEL=]TARGET*...
`irtt-rs` `server` [*OPTIONS*]
## DESCRIPTION
`irtt-rs` is a multicall dispatcher: one binary that runs the client, TUI,
or server applet depending on the subcommand given, or on the name it was
invoked/copied as. It exists for router-friendly single-binary deployment;
it does not add behavior beyond what `irtt-client(1)`, `irtt-tui(1)`, and
`irtt-server(1)` already provide.
Each subcommand behaves exactly like its dedicated binary — `irtt-rs client
...` is equivalent to running `irtt-client ...` directly. See those manuals
for target syntax, options, output, and exit behavior.
## APPLET BINARY NAMES
The build also produces dedicated binaries: `irtt-client`, `irtt-tui`, and
`irtt-server`. A dedicated binary always runs its own role, regardless of
what it is invoked or copied as — it does not consult argv0 dispatch logic.
`irtt-rs` itself inspects argv0 first: if invoked (or symlinked/copied) under
one of the recognized applet names — `irtt-client`, `irtt-tui`, or
`irtt-server` — it runs that applet directly, without needing a subcommand.
Any other name starting with `irtt-` (other than `irtt-rs` itself) is
rejected as an unknown applet name before subcommand parsing is even
attempted — `irtt-custom server` is a hard error, not a fallthrough. Only
`irtt-rs` itself, or a name that doesn't start with `irtt-` at all, falls
through to ordinary `client`/`tui`/`server` subcommand parsing.
## FEATURE-DEPENDENT APPLET AVAILABILITY
Each applet is gated by a Cargo feature on the `irtt-rs` package: `client`,
`tui`, `server`. All three are in the default feature set. A build with a
feature disabled still produces the `irtt-rs` binary, but that applet is
unavailable at runtime — running it (by subcommand or by binary name)
reports which feature to rebuild with, and `irtt-rs --help` lists which
applets the current build actually contains.
```sh
cargo install irtt-rs --locked --no-default-features --features client
```
## RELATIONSHIP TO irtt-client, irtt-tui, irtt-server
`irtt-rs` is packaging and dispatch only. All probing, display, and server
behavior lives in `irtt-client(1)`, `irtt-tui(1)`, and `irtt-server(1)` —
consult those manuals for anything observable about running a probe or
serving one.
## SEE ALSO
`irtt-client(1)`, `irtt-tui(1)`, `irtt-server(1)`.