Class: Shell::Cat

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, BuiltInCommand, Filter
Instance Chain: self, BuiltInCommand, Filter, Enumerable
Inherits:	Shell::BuiltInCommand Object Shell::Filter Shell::BuiltInCommand Shell::Cat
Defined in:	lib/shell/builtin-command.rb

Class Method Summary

.new

#active?, #wait?

#input, #input=

#+	Outputs `filter1`, and then `filter2` using `Join.new`
#<	Inputs from `source`, which is either a string of a file name or an IO object.
#>	Outputs from `source`, which is either a string of a file name or an IO object.
#>>	Appends the output to `source`, which is either a string of a file name or an IO object.
#each	Iterates a block for each line.
#inspect, #to_a, #to_s,
#\|	Processes a pipeline.

[ GitHub ]

# File 'lib/shell/builtin-command.rb', line 49


def initialize(sh, *filenames)
  super sh
  @cat_files = filenames
end

[ GitHub ]

# File 'lib/shell/builtin-command.rb', line 54


def each(rs = nil)
  if @cat_files.empty?
    super
  else
    for src in @cat_files
      @shell.foreach(src, rs){|l| yield l}
    end
  end
end