diff options
author | Saumit Dinesan <justsaumit@protonmail.com> | 2022-06-14 18:23:39 +0530 |
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committer | Saumit Dinesan <justsaumit@protonmail.com> | 2022-06-14 18:23:39 +0530 |
commit | 2aa77384a0125cc7378ac6b36f8c468b74b2ad05 (patch) | |
tree | 530bdbd7c2b52c149a76886bfd0b4e899e09ac32 /src | |
parent | 84f0f259ddba119666bf5b257c8b07f9cc28391c (diff) |
Using clap - command line argument parser
Diffstat (limited to 'src')
-rw-r--r-- | src/main.rs | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/main.rs b/src/main.rs index 423a643..6bb5758 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,6 +1,19 @@ -let pattern = std::env::args().nth(1).expect("no pattern given"); -let path = std::env::args().nth(2).expect("no path given"); -let args = Cli { - pattern: pattern, - path: std::path::PathBuf::from(path), -}; +#![allow(unused)] +///Using clap - command line argument parser +use clap::Parser; + +/// Search for a pattern in a file and display the lines that contain it. +#[derive(Parser)] +struct Cli { + /// The pattern to look for + pattern: String, + /// The path to the file to read + #[clap(parse(from_os_str))] + path: std::path::PathBuf, +} + +fn main() { + let args = Cli::parse(); +} + + |