Class: Pipewrench

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/pipewrench.rb,
lib/pipewrench/options.rb,
lib/pipewrench/version.rb

Defined Under Namespace

Classes: Options

Constant Summary collapse

VERSION = 
"0.3.0"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stdin, options = Options.new) ⇒ Pipewrench

Returns a new instance of Pipewrench.



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# File 'lib/pipewrench.rb', line 8

def initialize(stdin, options=Options.new)
  @stdin = stdin
  @options = options

  if options.rails
    require 'active_support'
    require 'active_support/core_ext'
  end
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/pipewrench.rb', line 5

def options
  @options
end

Instance Method Details

#each(&blk) ⇒ Object 



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# File 'lib/pipewrench.rb', line 34

def each(&blk)
  if options.strip
    @stdin.each_line.map(&:rstrip).map(&blk)
  else
    @stdin.each_line(&blk)
  end
end

#evaluate(cmd) ⇒ Object 



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# File 'lib/pipewrench.rb', line 26

def evaluate(cmd)
  if options.map
    map { |line| line.instance_eval(cmd) }
  else
    to_a.instance_eval(cmd)
  end
end

#run(cmd) ⇒ Object 



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# File 'lib/pipewrench.rb', line 18

def run(cmd)
  if options.compact
    evaluate(cmd).compact
  else
    evaluate(cmd)
  end
end