From 4ddcedb5d6e3e2b02af41a9ea0af31ed15d752d6 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@eossweden.org>
Date: Wed, 12 Feb 2020 15:21:36 +0100
Subject: [PATCH] Adding scripts/generate-dict.sh

---
 scripts/generate-dict.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 scripts/generate-dict.sh

diff --git a/scripts/generate-dict.sh b/scripts/generate-dict.sh
new file mode 100755
index 0000000..e0f2faf
--- /dev/null
+++ b/scripts/generate-dict.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Generates a dictionary file for usage with eosio-keygen
+#  - input is read from stdin and should have words separated by newline.
+#  - output is written to stdout.
+
+BASE58_ALPHABET=123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz
+
+# 1. Remove any line that contains non base58 characters
+# 2. Remove lines that are 2 or less characters long
+# 3. Convert to lowercase
+# 4. Sort and remove duplicate lines.
+LC_CTYPE=C awk "! /[^${BASE58_ALPHABET}]/" < /dev/stdin 2> /dev/null \
+	| sed -r '/^.{,2}$/d' \
+	| tr '[:upper:]' '[:lower:]' \
+	| sort | uniq -d