Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!gem.mps.ohio-state.edu!ginosko!uunet!usna!baldwin From: baldwin@usna.MIL (J.D. Baldwin) Newsgroups: comp.lang.pascal Subject: Re: Clearing the keyboard buffer Message-ID: <246@usna.MIL> Date: 3 Oct 89 01:02:54 GMT References: <1169@krafla.rhi.hi.is> <708@thor.wright.EDU> Reply-To: baldwin@cad.usna.mil (J.D. Baldwin) Organization: Canoe U. Lines: 25 In article <708@thor.wright.EDU> bkottman@wright.EDU (Brett Kottmann) writes: >in article <1169@krafla.rhi.hi.is>, karlth@rhi.hi.is (Karl Thoroddsen) says: >>[asks how to clear the keyboard input buffer in Turbo 4.0] > > readln; > or > readln(garbage_variable); > >should do it. Although I'm shure there is a more elegant solution. Well, I'm a Turbo 5.0 man myself (never used 4.0), but I can't imagine that this would work. If there are characters in the input buffer *after* the last, or if there has been no . Also, Brett's solution has the (possibly extremely serious) defect that it will pause and ask for an unintended input if there is nothing in the input buffer. My solution: while KeyPressed do ReadKey; -- From the catapult of: |+| "If anyone disagrees with anything I _, J. D. Baldwin, Comp Sci Dept |+| say, I am quite prepared not only to __||____..}-> US Naval Academy |+| retract it, but also to deny under \ / baldwin@cad.usna.navy.mil |+| oath that I ever said it." --T. Lehrer ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~