From 020b9dc7d4a833378c8e2bc36a1bec20efeaa696 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20L=C3=BChne?= <patrick@luehne.de>
Date: Sat, 18 Nov 2017 21:42:03 +0100
Subject: [PATCH] Make variables lower-case
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

In order not to have conflicts with the system’s environment variables,
custom variables are conventionally set in lower case.
---
 CHANGELOG.md    | 4 ++++
 random-password | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1cb9bbf..3044f8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## (unreleased)
 
+### Internal
+
+- make shell variables lower-case to avoid conflicts with system variables
+
 ## 1.0.0 (2017-11-17)
 
 Initial release
diff --git a/random-password b/random-password
index c127f62..e01ef9b 100755
--- a/random-password
+++ b/random-password
@@ -1,3 +1,3 @@
 #!/bin/bash
-LENGTH=${1:-32}
-cat /dev/urandom | tr -dc 'a-zA-Z0-9-_!@#$%^&*()_+{}|:<>?=' | fold -w $LENGTH | head -n 1 | grep -i '[!@#$%^&*()_+{}|:<>?=]'
+length=${1:-32}
+cat /dev/urandom | tr -dc 'a-zA-Z0-9-_!@#$%^&*()_+{}|:<>?=' | fold -w $length | head -n 1 | grep -i '[!@#$%^&*()_+{}|:<>?=]'