class CheckInput
test arguments for trailing '/', emptiness and validity
Attributes
dir[R]
Public Class Methods
new()
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# File lib/sort.rb, line 10 def initialize if ARGV.empty? @dir = Dir.pwd else @dir=ARGV[0] end @dir += '/' unless @dir[-1] == '/' unless Dir.exist?(@dir) return puts "#{@dir} is not a valid directory" abort end end