From 7e8c2248d0e111f9f0242a2f151870cf3e1f8e69 Mon Sep 17 00:00:00 2001
From: Pramod Bisht <pramodpsb@outlook.com>
Date: Sun, 18 Feb 2018 22:20:53 +0530
Subject: [PATCH] Fixes: #234 Giving suggestion to use `--fixed-strings` in
 case user passes invalid metacharacters as a regex.

---
 src/main.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index bff1766..f4b558b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -182,6 +182,12 @@ fn main() {
         .build()
     {
         Ok(re) => walk::scan(&dir_vec, Arc::new(re), Arc::new(config)),
-        Err(err) => error(err.description()),
+        Err(err) => error(
+            format!(
+                "{}\nHint: You can use the '--fixed-strings' option to search for a \
+                            literal string instead of a regular expression",
+                err.description()
+            ).as_str(),
+        ),
     }
 }