Class: SystemCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/helper/system_command.rb

Overview

class to call system command

Class Method Summary collapse

Class Method Details

.exec_command(command) ⇒ Object 



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# File 'lib/helper/system_command.rb', line 14

def exec_command(command)
  output, error, status = Open3.capture3(command)

  raise "    can not execute command: '\#{command}'\n    Output: \#{output}\n    Error: \#{error}\n  EOS\nend\n".unindent unless status.exitstatus.zero?

.exists?(command_name) ⇒ Boolean 



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# File 'lib/helper/system_command.rb', line 7

def exists?(command_name)
  exec_command("which #{Shellwords.escape(command_name)}")
  true
rescue
  false
end