>Psychtoolbox>PsychOneliners

number = GetNumber([deviceIndex][, untilTime=inf][, optional KbCheck arguments…])

Get a number typed at the keyboard. Entry is terminated by
<return> or <enter>. Typed keys are not echoed. Useful for
i/o in a Screen window. Equivalent to “number=str2num(GetString)”.

Returns the empty matrix if no number is entered. Returns a
column vector with multiple numbers if more than one number
is entered.

See also: GetEchoNumber, GetString, GetEchoString