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#!/usr/bin/env ruby
require 'tk'
require 'tkextlib/iwidgets'
def get_files(file)
dir = (file.empty?)? ENV['HOME'] : file
Dir.chdir(dir) rescue return ''
rlist = []
Dir['*'].sort.each{|f| rlist << File.join(dir, f) }
rlist
end
Tk::Iwidgets::Hierarchy.new(:querycommand=>proc{|arg| get_files(arg.node)},
:visibleitems=>'30x15',
:labeltext=>ENV['HOME']).pack(:side=>:left,
:expand=>true,
:fill=>:both)
# Tk::Iwidgets::Hierarchy.new(:querycommand=>[proc{|n| get_files(n)}, '%n'],
# :visibleitems=>'30x15',
# :labeltext=>ENV['HOME']).pack(:side=>:left,
# :expand=>true,
# :fill=>:both)
Tk.mainloop
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