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# Presentation
`"client-server"` is a feature declared in Cargo.toml.
It's not enabled by default.
If you want to compile with the feature, do
cargo build --release --features "client-server"
To run in debug mode with the feature, do
cargo run --features "client-server" --
This feature add 3 launch arguments that you can see with
cargo run --features "client-server" -- --help
Those arguments are:
* `--listen <instance_name>` : listen on a specific socket
* `--send <instance_name>`: send the command(s) to the given server and quit
* `--get-root`: ask the server for its current root (in the active panel)
For example if you start broot with
br --listen my_broot
broot will run normally but will *also* listen to commands sent from elsewhere (using linux sockets).
If you want to do the same in debug mode, it's
cargo run --features "client-server" -- --listen my_broot
Now that the "server" is running, try
br --send my_broot -c "img;:parent;:focus"
this will make the running "server" search for something like "img" and focus its parent.
If you run
br --send my_broot --get-root
then the server's current root is printed on stdout.
If you pass neither the `--get-root` nor the `--cmd` (shortened in `-c`) argument, then the server is told to focus the current directory or the path given as argument.
# Development
This feature started here: https://github.com/Canop/broot/issues/225
and is being discussed and developed between @Canop (@dystroy on Miaou) and @SRGOM (@fiAtcBr on Miaou) and you're welcome to contribute on [Miaou](https://miaou.dystroy.org/3490).
# Possible use cases (for users to utilize this).
## Auto-updating file viewer
You can start an instance of broot with `broot --listen global_file_viewer` and add a hook in your shell to update this upon directory change.
### Hooks
Here are hooks for some popular shells:
#### zsh
`chpwd(){ ( broot --send global_file_viewer "$PWD" & ) > /dev/null 2>&1 }`
#### PowerShell
`
Remove-Alias cd
function cd()
{
Set-Location @args
~/workspace/git/broot/target/release/broot --send global (Get-Location)
}
`
# TODO:
- [ ] have convincing use cases implemented
- [ ] make available with TCP localhost sockets on windows ?
- [ ] stop hiding behind a compilation flag (migth want to optimize before)
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