From 4b55d07ed27ccd0465b3b6d9ae7907d715a1f2c1 Mon Sep 17 00:00:00 2001
From: Jarno Rankinen <jarno.rankinen+github@gmail.com>
Date: Sat, 1 Aug 2020 10:04:12 +0300
Subject: [PATCH] Help text

Display help text when no arguments are given
---
 snapsh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/snapsh b/snapsh
index f760d7a..14a6852 100755
--- a/snapsh
+++ b/snapsh
@@ -16,4 +16,17 @@
 ## You should have received a copy of the GNU General Public License
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+help() {
+    printf "Usage:
+    snapsh [OPTIONS]
+    Options:
 
+Exit codes:
+	2 - Invalid arguments"
+}
+
+# If no options are given, display help
+if [[ "$#" -eq 0 ]]; then
+	help
+	exit 2
+fi