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clipboard(n)			       Tk Built-In Commands			     clipboard(n)


       clipboard - Manipulate Tk clipboard

       clipboard option ?arg arg ...?

       This  command  provides	a  Tcl interface to the Tk clipboard, which stores data for later
       retrieval using the selection mechanism.  In order to copy data into the clipboard,  clip-
       board  clear  must  be  called,	followed  by a sequence of one or more calls to clipboard
       append.	To ensure that the clipboard is updated atomically, all appends  should  be  com-
       pleted before returning to the event loop.

       The first argument to clipboard determines the format of the rest of the arguments and the
       behavior of the command.  The following forms are currently supported:

       clipboard clear ?-displayof window?
	      Claims ownership of the clipboard on window's display and removes any previous con-
	      tents.  Window defaults to ``.''.  Returns an empty string.

       clipboard append ?-displayof window? ?-format format? ?-type type? ?--? data
	      Appends  data  to  the clipboard on window's display in the form given by type with
	      the representation given by format and claims ownership of the  clipboard  on  win-
	      dow's display.

	      Type  specifies  the  form  in  which  the selection is to be returned (the desired
	      ``target'' for conversion, in ICCCM terminology), and should be an atom  name  such
	      as  STRING  or FILE_NAME; see the Inter-Client Communication Conventions Manual for
	      complete details.  Type defaults to STRING.

	      The format argument specifies the representation that should be  used  to  transmit
	      the  selection  to  the  requester (the second column of Table 2 of the ICCCM), and
	      defaults to STRING.  If format is STRING, the selection  is  transmitted	as  8-bit
	      ASCII  characters.   If  format is ATOM, then the data is divided into fields sepa-
	      rated by white space; each field is converted to its atom  value,  and  the  32-bit
	      atom value is transmitted instead of the atom name.  For any other format,  data is
	      divided into fields separated by white space and	each  field  is  converted  to	a
	      32-bit  integer;	an  array  of integers is transmitted to the selection requester.
	      Note that strings passed to clipboard append are concatenated before conversion, so
	      the  caller  must take care to ensure appropriate spacing across string boundaries.
	      All items appended to the clipboard with the same type must have the same format.

	      The format argument is needed only for compatibility with clipboard requesters that
	      don't  use Tk.  If the Tk toolkit is being used to retrieve the CLIPBOARD selection
	      then the value is converted back to a string at the requesting end,  so  format  is

	      A  -- argument may be specified to mark the end of options:  the next argument will
	      always be used as data.  This feature may  be  convenient  if,  for  example,  data
	      starts with a -.

       clear, format, clipboard, append, selection, type

Tk					       4.0				     clipboard(n)
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