/usr/lib/ruby/2.3.0/tk/clipboard.rb is in ruby2.3-tcltk 2.3.0-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# tk/clipboard.rb : methods to treat clipboard
#
require 'tk'
module TkClipboard
include Tk
extend Tk
TkCommandNames = ['clipboard'.freeze].freeze
def self.clear(win=nil)
if win
tk_call_without_enc('clipboard', 'clear', '-displayof', win)
else
tk_call_without_enc('clipboard', 'clear')
end
end
def self.clear_on_display(win)
tk_call_without_enc('clipboard', 'clear', '-displayof', win)
end
def self.get(type=nil)
if type
tk_call_without_enc('clipboard', 'get', '-type', type)
else
tk_call_without_enc('clipboard', 'get')
end
end
def self.get_on_display(win, type=nil)
if type
tk_call_without_enc('clipboard', 'get', '-displayof', win, '-type', type)
else
tk_call_without_enc('clipboard', 'get', '-displayof', win)
end
end
def self.set(data, keys=nil)
clear
append(data, keys)
end
def self.set_on_display(win, data, keys=nil)
clear(win)
append_on_display(win, data, keys)
end
def self.append(data, keys=nil)
args = ['clipboard', 'append']
args.concat(hash_kv(keys))
args.concat(['--', data])
tk_call(*args)
end
def self.append_on_display(win, data, keys=nil)
args = ['clipboard', 'append', '-displayof', win]
args.concat(hash_kv(keys))
args.concat(['--', data])
tk_call(*args)
end
def clear
TkClipboard.clear_on_display(self)
self
end
def get(type=nil)
TkClipboard.get_on_display(self, type)
end
def set(data, keys=nil)
TkClipboard.set_on_display(self, data, keys)
self
end
def append(data, keys=nil)
TkClipboard.append_on_display(self, data, keys)
self
end
end
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