mirror of
https://github.com/clap-rs/clap
synced 2025-01-21 17:13:53 +00:00
35 lines
1.2 KiB
Rust
35 lines
1.2 KiB
Rust
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use clap::{arg, App};
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use clap_man::{Man, Meta};
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// Run this example as `cargo run --example man-builder | man -l -`.
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fn main() -> Result<(), std::io::Error> {
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let mut app = App::new("myapp")
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.version("1.0")
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.author("Kevin K. <kbknapp@gmail.com>")
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.about("Does awesome things")
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.subcommand_help_heading("Commands")
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.arg(
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arg!(-c --config <FILE> "Sets a custom config file")
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.long_help("Some more text about how to set a custom config file")
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.required(false)
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.takes_value(true),
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)
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.arg(arg!([output] "Sets an optional output file").index(1))
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.arg(arg!(-d --debug ... "Turn debugging information on"))
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.subcommand(
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App::new("test")
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.about("does testing things")
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.arg(arg!(-l --list "Lists test values")),
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)
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.after_help(
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"\
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For more information about the config file syntax, look up the INI format.
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To see the debug information, visit our website on github.com",
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);
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let meta = Meta::from_clap("1", "GNU", &app);
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let man = Man::new(&meta, &mut app);
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man.render(&mut std::io::stdout())
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}
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