12/21/22 15:56:24

1 files changed, 13 insertions, 0 deletions

diff --git a/rust-cli/grrs/src/lib.rs b/rust-cli/grrs/src/lib.rs
new file mode 100644
index 0000000..f91064f
--- /dev/null
+++ b/rust-cli/grrs/src/lib.rs
@@ -0,0 +1,13 @@
+use std::{io::{BufReader, BufRead, Error}, fs::File};
+
+pub fn find_matches(file: &File, pattern: &str) -> Result<Vec<String>, Error> {
+    let reader = BufReader::new(file);
+    let mut result = Vec::<String>::new();
+    for line in reader.lines() {
+        let line_val = line.unwrap();
+        if line_val.contains(&pattern) {
+            result.push(line_val);
+        }
+    }
+    return Ok(result);
+}
\ No newline at end of file