A Gleam library for cross-platform shell operations.
• In my_project/src/my_project.gleam
import gleam/dict
import gleam/io
import gleam/result
import shellout.{type Lookups}
pub const lookups: Lookups = [
#(
["color", "background"],
[
#("buttercup", ["252", "226", "174"]),
#("mint", ["182", "255", "234"]),
#("pink", ["255", "175", "243"]),
],
),
]
pub fn main() {
shellout.arguments()
|> shellout.command(run: "ls", in: ".", opt: [])
|> result.map(with: fn(output) {
io.print(output)
0
})
|> result.map_error(with: fn(detail) {
let #(status, message) = detail
let style =
shellout.display(["bold", "italic"])
|> dict.merge(from: shellout.color(["pink"]))
|> dict.merge(from: shellout.background(["brightblack"]))
message
|> shellout.style(with: style, custom: lookups)
|> io.print_error
status
})
|> result.unwrap_both
|> shellout.exit
}
• In your terminal
> cd my_project
> gleam run -- -lah
# ..
> gleam run -- --lah
# ..
> gleam run --target=javascript -- -lah
# ..
> gleam run --target=javascript -- --lah
# ..
• Add shellout
to gleam.toml
gleam add shellout
• Add shellout
to mix.exs
defp deps do
[
{:shellout, "~> 1.6"},
]
end
• Add shellout
to rebar.config
{deps, [
{shellout, "1.6.0"}
]}.