Add not builtin command - rm

src/rm.rs

@@ -0,0 +1,46 @@
+use std::env;
+use std::fs;
+use std::path::Path;
+
+fn main() {
+    let mut verbose_flag = false;
+    let mut remove_dirs = false;
+    let args: Vec<String> = env::args().collect();
+    for arg in 1..args.len() {
+        match args[arg].as_str() {
+            "--help" => {
+                println!("Usage: rm [OPTIONS] DIRECTORY");
+                println!("Removes files or directories");
+                return;
+            },
+            "-v" | "--verbose" => {
+                verbose_flag = true;
+            },
+            "-d" | "--dir" => {
+                remove_dirs = true;
+            },
+            arg => {
+                    if Path::new(arg).exists() {
+                        if !Path::new(arg).is_dir() {
+                            fs::remove_file(arg.to_string());
+                            if verbose_flag {
+                                println!("rm: removed '{}'", arg);
+                            }
+                        }
+                        else if Path::new(arg).is_dir() && remove_dirs {
+                            fs::remove_dir(arg.to_string());
+                            if verbose_flag {
+                                println!("rm: removed directory '{}'", arg);
+                            }
+                        }
+                        else if Path::new(arg).is_dir() {
+                            println!("rm: cannot remove '{}': Is a directory", arg);
+                        }
+                    }
+                    else {
+                        println!("rm: cannot remove '{}': No such file or directory", arg);
+                    }
+            },
+        }; 
+    }
+}