Adding some print messages

filesort-rs/out.txt

@@ -0,0 +1,10 @@
+1
+2
+3
+4
+44
+5
+6
+7
+8
+9

filesort-rs/src/line_sort.rs

@@ -25,15 +25,19 @@ impl FileSort for LineSort {
     fn read(&mut self) {
         let file = File::open(&self.input_file).expect("input file doesn't exist");
 
-        let buffer = BufReader::new(file);
+        let buffer: BufReader<File> = BufReader::new(file);
 
         for line in buffer.lines() {
             self.lines.push(line.unwrap_or_default());
         }
     }
 
     fn write(&mut self) {
-        println!("{0}", self.output_file);
+       let mut file: File = File::create(&self.output_file).expect("Unable to create output file {0}");
+
+        for line in &self.lines {
+            write!(file,"{}\n", line).expect("Unable to write data to file.")
+        }
     }
 
     fn sort(&mut self) {

filesort-rs/src/main.rs

@@ -15,9 +15,20 @@ fn main() {
         args.line {
             let mut linesort: LineSort = LineSort::new(args.input_file, args.output_file, args.descending);
 
+            println!("Filesort start\n");
+            println!("Reading file data\n");
+
             linesort.read();
+
+            println!("Soritng data\n");
+
             linesort.sort();
+
+            println!("Writing file data\n");
+
             linesort.write();
+
+            println!("Filesort complete\n");
     }
     else {
         let mut wordsort: WordSort = WordSort::new(args.input_file, args.output_file, args.descending);