grep-rs

A grep-like library written in rust

Currently working features

Searching through files
Searching through standard input
Excluding patterns
Printing all lines before the first instance of the pattern
Printing all lines after the first instance of the pattern
Case Insensitivity
(NEW) Regex

Examples

Examples take place in hypothetical directory containing
Basic_file_1.txt Basic_file_2.txt
Basic_file_3.txt Basic_file_4.txt

see examples/
or run cargo run --example [file_name]

lib.rs:

grep-rs is a simple tool for searching through text

• Github

Currently Working Features

• Support for searching through files
• Support for searching through standard input
• Searching through text that includes specific patterns
• Searching through text that excludes specific patterns
• Printing all lines before the first instance of the pattern
• Printing all lines after the first instance of the pattern
• Case Insensitivity
• Simple Regular Expressions

Installation

Add this to your Cargo.toml

libgrep-rs = "0.1.3"

Example

use libgrep_rs::searcher::Searcher;
use libgrep_rs::options::Options;

fn main() {
let options = Options::default();
let text = String::from("Hello World\n libgrep-rs test");
let pattern = String::from("World");
let searcher = Searcher::new(pattern, text, options, Some(String::from("\n")));
//Some(String::from("\n")) is the deliminator, it could be anything
//If set to None, it will use the default "\n"
let output = searcher.search();
println!("{}", output);
}

If it worked, the output will be

Hello World

You can see other examples in the examples/ directory