From 8e84ccb9316d21ba2305e7b40db815be4d947c2c Mon Sep 17 00:00:00 2001
From: Diogo Lemos <dmlemos@users.noreply.github.com>
Date: Thu, 13 Jun 2019 18:17:05 +0100
Subject: [PATCH] fif - add input validation

---
 Examples.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Examples.md b/Examples.md
index 2559c33..2eb4cc0 100644
--- a/Examples.md
+++ b/Examples.md
@@ -249,7 +249,10 @@ ag --nobreak --nonumbers --noheading . | fzf
 
 # using ripgrep combined with preview
 # find-in-file - usage: fif <searchTerm>
-fif() { rg --files-with-matches --no-messages $1 | fzf --preview "highlight -O ansi -l {} 2> /dev/null | rg --colors 'match:bg:yellow' --ignore-case --pretty --context 10 $1 || rg --ignore-case --pretty --context 10 $1 {}" }
+fif() {
+  if [ ! "$#" -gt 1 ]; then echo "Need a string to search for!"; return 1; fi
+  rg --files-with-matches --no-messages $1 | fzf --preview "highlight -O ansi -l {} 2> /dev/null | rg --colors 'match:bg:yellow' --ignore-case --pretty --context 10 $1 || rg --ignore-case --pretty --context 10 $1 {}"
+}
 ```
 
 ### Command history