Top Level Namespace

Defined Under Namespace

Modules: Redwood

Instance Method Summary collapse

Instance Method Details

#optparse ⇒ Object

Redwood is an implementation of ‘tree` in Ruby

Usage: redwood [ OPTIONS ] [ DIRECTORY ]

Learn more about the original at: mama.indstate.edu/users/ice/tree/



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# File 'bin/redwood', line 11

require 'optparse'

#setup_tree(tree, options) ⇒ Object 



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# File 'bin/redwood', line 68

def setup_tree(tree, options)
  if options[:depth]
    abort 'Invalid level, must be greater than 0' if options[:depth] <= 1
    tree.descendants.each {|f| f.unlink if f.depth > options[:depth] }
  end
  if !options[:follow_symlinks]
    tree.descendants.each do |f|
      if f.symlink?        
        f.value << " -> #{f.readlink}"
      end
      f.unlink if f.parent.symlink?
    end
  end
  if options[:only_directories]
    tree.descendants.each {|f| f.unlink if !f.directory? }
  end
  if !options[:show_hidden_files]
    tree.descendants.each do |f| 
        f.unlink if f.basename.index('.').eql?(0)
    end
  end
  tree.walk {|f| f.value = f.path } if options[:full_path]
  
  if options[:date]
    tree.descendants.each {|f| f.value.insert(0,"[#{f.send(options[:date]).strftime('%b %d %H:%M')}] ") }
  end
  if options[:size]
    tree.descendants.each {|f| f.value.insert(0,"[#{f.size}] ") if f.size? }
  end
  if options[:ftype]
    tree.descendants.each do |f|
      f.value << "|" if f.ftype == 'fifo'
      if f.symlink?
        f.value << "@"
      elsif f.directory?
        f.value << "/"
      end
      f.value << "*" if f.executable? && f.file?
      f.value << "=" if f.socket?
    end
  end
  tree
end

#statement(tree) ⇒ Object 



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# File 'bin/redwood', line 53

def statement(tree)
  directories = 0
  files = 0
  tree.descendants.each do |f|
    if f.directory?
      directories += 1
    else
      files += 1
    end
  end
  d = directories.eql?(1) ? 'directory' : 'directories'
  f = files.eql?(1) ? 'file' : 'files'
  "#{directories} #{d}, #{files} #{f}"
end

#usage ⇒ Object 



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# File 'bin/redwood', line 13

def usage
  File.readlines(__FILE__).
  grep(/^##.*/).
  map { |line| line.chomp[3..-1] }.
  join("\n")
end