Fix padding, add --wrap argument, disable wrap for non-tty.

Now bat(1) can be used like cat(1) again!

src/printer.rs

@@ -117,16 +117,6 @@ impl<'a> Printer<'a> {
         let border = if gutter_width > 0 && self.config.output_components.grid() {
             self.gen_border()
         } else {
-            PrintSegment {
-                size: 0,
-                text: "".to_owned(),
-            }
-        };
-
-        cursor_max -= border.size;
-        write!(self.handle, "{} ", border.text)?;
-
-        // Line contents.
             for &(style, text) in regions.iter() {
                 let mut chars = text.chars().filter(|c| *c != '\n');
                 let mut remaining = text.chars().filter(|c| *c != '\n').count();
@@ -176,8 +166,10 @@ impl<'a> Printer<'a> {
                 }
             }
 
-        // Finished.
             write!(self.handle, "\n")?;
+        }
+
+        // Finished.
         Ok(())
     }
 
@@ -231,7 +223,7 @@ impl<'a> Printer<'a> {
     fn gen_border(&self) -> PrintSegment {
         return PrintSegment {
             text: self.colors.grid.paint("│ ").to_string(),
-            size: 1,
+            size: 2,
         };
     }