# HG changeset patch
# User nanaya <me@myconan.net>
# Date 1463390484 -32400
# Node ID ecff9d2c0500164496cfd47e073a2b7e458db3fb
# Parent  e9f7eeb4a0f11b93ccfc2022b34042a36b09501b
Simple random string generator

diff -r e9f7eeb4a0f1 -r ecff9d2c0500 bin/randstr
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/randstr	Mon May 16 18:21:24 2016 +0900
@@ -0,0 +1,16 @@
+#!/usr/bin/env ruby
+
+require "securerandom"
+
+def random_base62(length)
+  group = ["A".."Z", "a".."z", "0".."9"].map(&:to_a).flatten
+
+  length.times.map do |x|
+    group[SecureRandom.random_number(group.length)]
+  end.join
+end
+
+length = ARGV[0].to_i
+length = 12 if length <= 0
+
+puts random_base62(length)