Class: TapDance::ShellResult

Inherits:
Object
  • Object
show all
Defined in:
lib/tap_dance/shell_result.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(out, err = nil, status = 0) ⇒ ShellResult

Returns a new instance of ShellResult.



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# File 'lib/tap_dance/shell_result.rb', line 35

def initialize(out, err=nil, status=0)
  @out    = out.to_s
  @err    = err.to_s
  @status = status
end

Instance Attribute Details

#err ⇒ Object (readonly)

Returns the value of attribute err.



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# File 'lib/tap_dance/shell_result.rb', line 22

def err
  @err
end

#out ⇒ Object (readonly)

Returns the value of attribute out.



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# File 'lib/tap_dance/shell_result.rb', line 21

def out
  @out
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/tap_dance/shell_result.rb', line 23

def status
  @status
end

Class Method Details

.of(cmd) ⇒ Object 



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# File 'lib/tap_dance/shell_result.rb', line 25

def self.of(cmd)
  out = nil
  err = nil
  sts = open4(cmd) do |pid, stdin, stdout, stderr|
    out = stdout.read
    err = stderr.read
  end
  new out, err, sts.exitstatus
end

Instance Method Details

#error? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tap_dance/shell_result.rb', line 45

def error?
  @status != 0 || erred(@out) || erred(@err)
end

#okay? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tap_dance/shell_result.rb', line 41

def okay?
  !error?
end

#stderr? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tap_dance/shell_result.rb', line 53

def stderr?
  @err.strip != ""
end

#stdout? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tap_dance/shell_result.rb', line 49

def stdout?
  @out.strip != ""
end

#to_s ⇒ Object 



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# File 'lib/tap_dance/shell_result.rb', line 57

def to_s
  if @out.strip == "" then @err else @out end
end