Added linters and polished code

The minimum version supported has been raised to 25.3.

Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>

1 files changed, 16 insertions, 6 deletions

diff --git a/.irbrc b/.irbrc
index 176ed74..ba1b557 100644
--- a/.irbrc
+++ b/.irbrc
@@ -1,8 +1,19 @@
-#!/usr/bin/env ruby
-#
-# Author: Miquel Sabaté
-# http://github.com/mssola/dotfiles
+# frozen_string_literal: true
 
+# Copyright (C) 2014-2019 Miquel Sabaté Solà <mikisabate@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 require 'irb/completion'
 require 'irb/ext/save-history'
@@ -10,7 +21,6 @@ require 'rubygems'
 require 'pp'
 require 'wirble'
 
-
 # Colorize!
 Wirble.init
 Wirble.colorize
@@ -40,7 +50,7 @@ end
 
 # Beautify ls
 def ls
-  %x{ls}.split("\n")
+  `ls`.split("\n")
 end
 
 alias p pp