1 files changed, 8 insertions, 8 deletions
diff --git a/years.sh b/years.sh
index a3f2f5e..65fbe5e 100755
--- a/years.sh
+++ b/years.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #  _   _  ___  __ _ _ __ ___
 # | | | |/ _ \/ _` | '__/ __|
 # | |_| |  __/ (_| | |  \__ \
@@ -9,20 +9,20 @@
 
 year=$(date +%Y)
 cal -m -y
-read -n 1 input
+read -rn 1 input
 
 while [ "$input" != "q" ]
 do
-	case $input in
+	case "$input" in
 		l)
-			year=$(($year+1))
+			year=$((year+1))
 			;;
 		h)
-			year=$(($year-1))
+			year=$((year-1))
 			;;
 	esac
-		clear
-		cal -m -y $year
-		read -n 1 input
+	clear
+	cal -m -y "$year"
+	read -rn 1 input
 done