Ruby Script to process output of command and create Ansible host list

gistfile1.txt

#!/usr/bin/env ruby
whereami = "/cust/tools/bin/whereami"

ecndir = "/cust/tools/etc/envdef/envs"

sysinvfilename = "systeminventory.txt"
sysinv = File.open(sysinvfilename, "a")
dirs = Dir.entries("#{ecndir}")
dirs.sort!

dirs.each do |env|
  next if env == '.' or env == '..' or env == '.svn'
  wai_output = `#{whereami} --env #{env}`
  sysinv.puts "[#{env}]"
  wai_output.each_line do |line|
    if (line['.com:'])
      elements = line.split(":")
        elements.delete_if{|e| e == ':'}
      sysinv.puts "#{elements}"
    end
  end
end
sysinv.close