Class: Tracetool::Pipe::Executor

Inherits:

Object

• Object
• Tracetool::Pipe::Executor

Defined in:

lib/tracetool/utils/pipe.rb

Overview

Executes shell command

Instance Method Summary

• #<<(args) ⇒ Object
• #cmd ⇒ Object
• #initialize(cmd, *args) ⇒ Executor constructor

  A new instance of Executor.

Constructor Details

#initialize(cmd, *args) ⇒ Executor

Returns a new instance of Executor.

# File 'lib/tracetool/utils/pipe.rb', line 8

def initialize(cmd, *args)
  @cmd = cmd
  @args = args
end

Instance Method Details

#<<(args) ⇒ Object

# File 'lib/tracetool/utils/pipe.rb', line 17

def <<(args)
  out, err, status = Open3.capture3({}, *cmd, stdin_data: args)
  raise "#{cmd.join(' ')} (exit: #{status.exitstatus}) #{err.chomp}" unless status.success?

  out.chomp
end

#cmd ⇒ Object

# File 'lib/tracetool/utils/pipe.rb', line 13

def cmd
  [@cmd, @args].flatten
end