[bug fix] only shows upper few lines (#14)

* add comment

* fix_10

Author: kyu08

src/misc.rs

@@ -13,9 +13,10 @@ pub fn print_error(error_message: String) {
     println!("[ERR] {}", error_message);
 }
 
+// TODO: Maybe skim related could be combined into one module.
 pub fn get_params<'a>() -> (SkimOptions<'a>, Option<Receiver<Arc<dyn SkimItem>>>) {
     // TODO: use cat when bat is unavailable
-    let preview_command = "bat --style=numbers --color=always --highlight-line $(bat Makefile | grep -nE '^{}' | sed -e 's/:.*//g') Makefile";
+    let preview_command = r"line=$(bat Makefile | grep -nE '^{}\s*:' | sed -e 's/:.*//g'); bat --style=numbers --color=always --line-range $line: --highlight-line $line Makefile";
     // TODO: hide fzf window when fzf-make terminated
     let options = SkimOptionsBuilder::default()
         .height(Some("50%"))