# shellout 🐢
[](https://hex.pm/packages/shellout)
[](https://hexdocs.pm/shellout/)
[](https://github.com/tynanbe/shellout/blob/main/LICENSE)
[](https://github.com/tynanbe/shellout/actions)
A Gleam library for cross-platform shell operations.
<br>
## Usage
### Example
• In `my_project/src/my_project.gleam`
```gleam
import gleam/io
import gleam/map
import shellout.{Lookups}
pub const lookups: Lookups = [
#(
["color", "background"],
[
#("buttercup", ["252", "226", "174"]),
#("mint", ["182", "255", "234"]),
#("pink", ["255", "175", "243"]),
],
),
]
pub fn main() {
let result =
shellout.arguments()
|> shellout.command(run: "ls", in: ".", opt: [])
case result {
Ok(output) -> {
io.print(output)
0
}
Error(#(status, message)) -> {
message
|> shellout.style(
with: shellout.display(["bold", "italic"])
|> map.merge(shellout.color(["pink"]))
|> map.merge(shellout.background(["brightblack"])),
custom: lookups,
)
|> io.print
status
}
}
|> shellout.exit
}
```
### 🐚 You can test the above example with your shell!
• In your terminal
```shell
> cd my_project
> gleam run -- -lah
# ..
> gleam run -- --lah
# ..
> gleam run --target=javascript -- -lah
# ..
> gleam run --target=javascript -- --lah
# ..
```
<br>
## Installation
### As a dependency of your Gleam project
• Add `shellout` to `gleam.toml`
```toml
[dependencies]
shellout = "~> 1.4"
```
### As a dependency of your Mix project
• Add `shellout` to `mix.exs`
```elixir
defp deps do
[
{:shellout, "~> 1.4"},
]
end
```
### As a dependency of your Rebar3 project
• Add `shellout` to `rebar.config`
```erlang
{deps, [
{shellout, "1.4.0"}
]}.
```