On Thu, 04 Dec 2008 14:25:48 -0500, Terry Reedy <tjreedy at udel.edu> wrote: > [snip] > >In my test, I read Python25.chm with 2.5 and Python30.chm with 3.0. > >Rereading Python30.chm without closing *is* much faster. > >>> f=open('Doc/Python30.chm','rb') > >>> d=f.read() > >>> d=f.read() > >>> d=f.read() Did you think about what this does? Jean-Paul