correction lignes vides

src/arguments.rs

@@ -62,4 +62,7 @@ pub struct Arguments {
     /// Trim white spaces at end of cells
     #[arg(short, long, default_value_t = TrimSpaces::None)]
     pub trim: TrimSpaces,
+    /// number the rows
+    #[arg(short, long, default_value_t = false)]
+    pub number_rows: bool,
 }

src/xlsxtocsv.rs

@@ -75,12 +75,20 @@ pub fn xlsxtocsv(args: &Arguments) -> Result<(), Error> {
                     }
                 }
                 None => {
+                    if args.number_rows {
+                        print!("{}{}", i, args.separator);
+                    }
                     println!("{}", empty_row);
                     continue;
                 }
             }
         }
 
+        // number the row
+        if args.number_rows {
+            print!("{}{}", i, args.separator);
+        }
+
         // for each column in row...
         let mut first = true;
         for j in 1..=num_cols {