ad khcursor prev

1 files changed, 7 insertions, 0 deletions

diff --git a/src/utils/fileutil.rs b/src/utils/fileutil.rs
index ab90a55..3c577e7 100644
--- a/src/utils/fileutil.rs
+++ b/src/utils/fileutil.rs
@@ -53,6 +53,13 @@ pub fn read_lines_from_file(filepath: &Path) -> io::Result<impl Iterator<Item =
   lines.map(|result| result.into_iter())
 }
 
+pub fn read_lines_from_file_backwards(filepath: &Path) -> io::Result<impl Iterator<Item = String>> {
+  let f = fs::File::open(filepath)?;
+  let f = BufReader::new(f);
+  let lines: Result<Vec<String>, io::Error> = f.lines().collect();
+  lines.map(|result| result.into_iter().rev())
+}
+
 pub fn read_file_to_string(path: &Path) -> io::Result<String> {
   let mut file = fs::File::open(&path)?;
   let mut contents = String::new();