applied util function for consistency

src/main.rs

@@ -22,7 +22,7 @@ fn main() {
     if let Some(arg) = args.next() {
         match arg.as_str() {
             "add" => add_files(&arg, &mut args, &mut current_shelf),
-            "rm" => remove_files(&mut args, &mut current_shelf),
+            "rm" => remove_files(&mut args, &mut current_shelf).unwrap(),
             "ls" => list_library(&mut library),
             "cp" => copy_files(
                 &mut args,
@@ -85,33 +85,21 @@ fn add_files(current_arg: &str, args: &mut env::Args, shelf: &mut Shelf) {
     return;
 }
 
-fn remove_files(args: &mut env::Args, shelf: &mut Shelf) {
+fn remove_files(
+    args: &mut env::Args,
+    mut shelf: &mut Shelf,
+) -> Result<(), Box<dyn std::error::Error>> {
     if shelf.content.len() < 1 {
         println!(
             "Shelf \"{}\" is Empty. Are you using the right shelf?",
             shelf.name
         );
-        return;
+        return Ok(());
     }
     if args.len() > 0 {
         for file in args {
             // If the argument is a number instead of a file name
-            let index: usize = match file.parse::<usize>() {
-                Ok(index) => {
-                    println!("path is: {}", &shelf.content[*&index]);
-                    index
-                }
-                Err(_) => match utils::match_file_name(&file, shelf) {
-                    Ok(index) => {
-                        println!("path is: {}", &shelf.content[*&index as usize]);
-                        index
-                    }
-                    Err(e) => {
-                        eprintln!("{e}");
-                        process::exit(1)
-                    }
-                },
-            };
+            let index = utils::match_file_name_or_index(&file, &mut shelf)?;
             let file_path = Path::new(&shelf.content[index]);
             println!(
                 "Removed file {} from shelf {}",
@@ -120,9 +108,11 @@ fn remove_files(args: &mut env::Args, shelf: &mut Shelf) {
             );
             shelf.content.remove(index);
         }
+        return Ok(());
     } else {
         // If there's no file specified, clear the whole thing
-        shelf.content.clear()
+        shelf.content.clear();
+        return Ok(());
     }
 }
 
@@ -165,7 +155,11 @@ fn copy_files(args: &mut env::Args, binary: String, shelf: &mut Shelf) {
             println!(
                 "Copying file {} to {}",
                 source.to_str().unwrap(),
-                destination.to_str().unwrap()
+                destination
+                    .canonicalize()
+                    .expect("couldn't cannonicalize")
+                    .to_str()
+                    .unwrap()
             );
             let _ = fs::copy(source, destination);
             return;
@@ -185,7 +179,7 @@ fn copy_files(args: &mut env::Args, binary: String, shelf: &mut Shelf) {
     };
 
     let mut get_old_file = |old_file: Option<String>| {
-        let old_file_index = match utils::match_file_name(&old_file.unwrap(), shelf) {
+        let old_file_index = match utils::match_file_name_or_index(&old_file.unwrap(), shelf) {
             Ok(index) => index,
             Err(e) => {
                 eprintln!("{e}");