Inital commit

.gitignore

+/target

.gitlab-ci.yml

+image: rust:1.53.0
+
+
+build:
+  stage: build
+  script:
+    - cargo build
+
+test:
+  stage: test
+  script:
+    - cargo run -- src/main.rs src/rcat.rs

Cargo.lock

+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "rcat"
+version = "0.1.0"
+dependencies = [
+ "stacking",
+]
+
+[[package]]
+name = "stacking"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36b0a850a979c80a4f7b49222dd99e62bfa1b650b76a2536f7fd6d088fbc9be7"

Cargo.toml

+[package]
+name = "rcat"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+stacking = "0.2.5"

Makefile

+VERSION = 0.1.0
+NAME = rcat
+PREFIX ?= /usr/local
+
+all: build
+
+build:
+	cargo build
+
+clean:
+	cargo clean
+
+install: release
+	mv target/release/rcat $(PREFIX)/bin/rcat
+
+release:
+	cargo build --release

src/main.rs

+use stacking::stacks::Queue;
+use std::env::args;
+use std::fs::read_to_string;
+
+mod rcat;
+
+fn main() {
+    let argv: Vec<String> = args().collect();
+    let mut files: Queue<String> = Queue::new();
+    for arg in &argv[1..].to_vec() {
+        match arg.as_str() {
+            "--help" | "-h" => {
+                println!("{}", rcat::RCAT_HELP);
+            }
+            "--version" | "-v" => {
+                println!("{}", rcat::RCAT_VERSION);
+            }
+            f => files.push(f.to_string()),
+        }
+    }
+
+    // read files and print them to the screen
+    while files.len() != 0 {
+        let fname: String = files.pop().unwrap();
+        let contents: String = match read_to_string(fname.as_str()) {
+            Ok(s) => s,
+            Err(e) => {
+                eprintln!("rcat: error opening file ({})", e);
+                String::new()
+            }
+        };
+        println!("{}", contents);
+    }
+}

src/rcat.rs

+pub const RCAT_HELP: &str = "
+rcat [options] <files>
+
+Options:
+-h,--help: print this help information and exit
+-v,--version: print the version and exit
+
+";
+pub const RCAT_VERSION: &str = "rcat v0.1.0";