From 581865ee0c8b8aea872f053d804a41fb5f416b17 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Tue, 20 Jun 2023 23:01:09 +0200
Subject: Various shellcheck fixes (www.shellcheck.net)

---
 dmenu-mail-aliases | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'dmenu-mail-aliases')

diff --git a/dmenu-mail-aliases b/dmenu-mail-aliases
index 582f8e3..76999de 100755
--- a/dmenu-mail-aliases
+++ b/dmenu-mail-aliases
@@ -2,9 +2,14 @@
 
 # Select mail alias via dmenu
 # The email address must be the second word in a line of $aliasfile
-# Usage: dmenu-mail-aliases [-m menu]
 # Requires: dmenu (or similar)
 
+# Usage: dmenu-mail-aliases [-m menu]
+
+usage() {
+	echo "Usage: dmenu-mail-aliases [-m MENU]"
+}
+
 menu="dmenu -l 20"
 aliasfile="$HOME/.mblaze/aliases"
 
@@ -13,8 +18,12 @@ while getopts "m:" opt; do
 		m)
 			menu="$OPTARG"
 			;;
+		*)
+			usage
+			exit 1
+			;;
 		esac
 done
-shift `expr $OPTIND - 1`
+shift $((OPTIND - 1))
 
-$menu $menuopts <"$aliasfile" | awk '{print $NF}' 
+$menu <"$aliasfile" | awk '{print $NF}' 
-- 
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