From 4fbf7d38ce729c46dbd37e3f6bfb286fc9a6bfdb Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 10 Jan 2019 10:42:22 +0100
Subject: generate-random-word-from-wikipedia.sh: add help text

---
 generate-random-word-from-wikipedia.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/generate-random-word-from-wikipedia.sh b/generate-random-word-from-wikipedia.sh
index fbc720f..447cc81 100755
--- a/generate-random-word-from-wikipedia.sh
+++ b/generate-random-word-from-wikipedia.sh
@@ -2,6 +2,11 @@
 
 base_dir=$(readlink -f "$(dirname "$0")")
 
+if [ $# -ne 3 ]; then
+  >&2 printf 'usage:  %s wiki-depth markov-depth word-count\n' "${0##*/}"
+  exit 1
+fi
+
 depth=$1
 shift
 
-- 
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