Date:         Thu, 19 Jun 2003 14:53:33 -0400
Reply-To:     "Fehd, Ronald J. (PHPPO)" <rjf2@CDC.GOV>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Fehd, Ronald J. (PHPPO)" <rjf2@CDC.GOV>
Subject:      Re: ZipMagic: I/O errors reading SAS dataset
Comments: cc: Tom Frenkel <taf2@NYU.EDU>
Content-Type: text/plain

> From: Tom Frenkel [mailto:taf2@NYU.EDU]
> I just installed the trial version of ZipMagic (4.0) on my
> Win2K PC ... but SAS v8 cannot read the zipped SAS files
> properly.  (With ZipMagic, the zipping is supposed to be
> "transparent" to SAS or any other program.)  I used WinZip to
> compress a SAS v8 dataset (just over 2 gigs in size) down to
> 176 megabytes, and then used ZipMagic to create a zip folder
> for it. Now, when I try to run a SAS program that reads in
> the SAS dataset, the SAS log says:
>
>   ERROR: An I/O error has occurred on file IN.SPARCS97.DATA.
>
> Also, if I go into interactive SAS and try to look at the
> dataset in VIEWTABLE, it says:
>
>   ERROR: Expecting page 2, got page 3 instead.
>   ERROR: Page validation error while reading TMP1.SPARCS97.DATA.
>
> Any idea why this stuff might be happening?  My understanding
> is that the ZIPPED file cannot be over 2 gigabytes, but it's
> fine if the uncompressed file is that large ... am I correct?  Thanks!

read the .sig
and check your assumptions:
which would include that the libname engine of zipper and zippee are the
same
and perhaps OpSys version might have something to do w/your problem, too.

Ron Fehd  the macro maven  CDC Atlanta GA USA RJF2@cdc.gov

remember perspective: the error is not always where it seems to occur! --
RJF2