17 lines
654 B
Rust
17 lines
654 B
Rust
use clap::Command;
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fn main() {
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let cmd = Command::new(env!("CARGO_CRATE_NAME"))
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.multicall(true)
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.arg_required_else_help(true)
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.subcommand_value_name("APPLET")
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.subcommand_help_heading("APPLETS")
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.subcommand(Command::new("hostname").about("show hostname part of FQDN"))
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.subcommand(Command::new("dnsdomainname").about("show domain name part of FQDN"));
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match cmd.get_matches().subcommand_name() {
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Some("hostname") => println!("www"),
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Some("dnsdomainname") => println!("example.com"),
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_ => unreachable!("parser should ensure only valid subcommand names are used"),
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}
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}
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