Class: DDSL::Shell

Inherits:

Object

• Object
• DDSL::Shell

Defined in:

lib/ddsl/shell.rb

Defined Under Namespace

Classes: ExitStatusError

Instance Method Summary

• #call!(argv) ⇒ void

  Run given list of arguments in a shell.

• #invoke(argv) ⇒ Bool

  Invoke given argument list in a subshell.

Instance Method Details

#call!(argv) ⇒ void

This method returns an undefined value.

Run given list of arguments in a shell.

Note: $stdin, $stout and $stderr will be forwarded

Parameters:

• argv (Array<String>)

Raises:

• (ExitStatusError) —

  if program fails

# File 'lib/ddsl/shell.rb', line 18

def call!(argv)
  raise ExitStatusError unless invoke(argv)
end

#invoke(argv) ⇒ Bool

Invoke given argument list in a subshell

Parameters:

• argv (Array<String>)

Returns:

• (Bool) —

  true if exit status of the program is 0, no otherwise

# File 'lib/ddsl/shell.rb', line 29

def invoke(argv)
  system(
    argv.join(' ')
  )
end