Select item(s) from a character vector.
a character vector of items.
a character vector, or
logical: can more than one item be selected?
optional character string for window title, or
logical: should a graphical widget be used?
The normal default is
graphics = TRUE.
Under the macOS GUI this brings up a modal dialog box
with a (scrollable) list of items, which can be selected by the mouse.
On other Unix-like platforms it will use a
Tcl/Tk listbox widget if possible.
graphics is FALSE or no graphical widget is available it
displays a text list from which the user can choose by number(s). The
multiple = FALSE case uses
menu. Preselection is
only supported for
multiple = TRUE, where it is indicated by a
"+" preceding the item.
It is an error to use
select.list in a non-interactive session.
A character vector of selected items. If
multiple is false and
no item was selected (or
Cancel was used),
multiple is true and no item was selected (or
Cancel was used) then a character vector of length 0 is returned.
tk_select.list for a graphical
version using Tcl/Tk.
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