X-Git-Url: https://git.distorted.org.uk/~mdw/termux-packages/blobdiff_plain/cc1ae02e2ecebd5006fe481473fc1f15f92b121a..6788ea2c5d7dbb05b18c9da41b1f88f9d4400c2a:/packages/termux-api/termux-contact-list

diff --git a/packages/termux-api/termux-contact-list b/packages/termux-api/termux-contact-list
index 8f38e034..7679ffe7 100755
--- a/packages/termux-api/termux-contact-list
+++ b/packages/termux-api/termux-contact-list
@@ -1,10 +1,22 @@
 #!/bin/sh
 set -e -u
 
-if [ "$#" != "0" ]; then
-	echo "usage: termux-contact-list"
-	echo "List all contacts."
-	exit
-fi
+SCRIPTNAME=termux-contact-list
+show_usage () {
+    echo "Usage: $SCRIPTNAME"
+    echo "List all contacts."
+    exit 0
+}
+
+while getopts :h option
+do
+    case "$option" in
+        h) show_usage;;
+        ?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
+    esac
+done
+shift $(($OPTIND-1))
+
+if [ $# != 0 ]; then echo "$SCRIPTNAME: too many arguments"; exit 1; fi
 
 @TERMUX_API@ ContactList