Even so, what assurance do we have that the program that checks the program works properly? Actually I have more concern when about zipping a file, transferring it to another platform, and then later finding that the unzip program will not work on that platform on that file. Sig

______________________________ Reply Separator _________________________________ Subject: Re: Re[2]: PKZIP on Unix with SAS datasets Author: "Self; Karsten" <Karsten.Self@SCHWAB.COM> at Internet-E-Mail Date: 11/11/98 1:25 PM

pkzip on DOS has an integrity testing feature. I believe it tests a CRC checksum.

Karsten M. Self (Karsten.Self@schwab.com) Trilogy Consulting

What part of "gestalt" don't you understand?

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> ---------- > From: HERMANS1[SMTP:HERMANS1@WESTAT.COM] > Reply To: HERMANS1 > Sent: Wednesday, November 11, 1998 9:01 AM > To: SAS-L@UGA.CC.UGA.EDU > Subject: Re[2]: PKZIP on Unix with SAS datasets > > You may want to try copying a file, zipping it, unzipping it either on > your Unix platform or after transfer to another platform, and then > using the Unix shell compare or dif command to test for differences in > the unzipped file and the copy. This won't prove that the unzip will > always work as expected, but it will increase your level of > confidence. Sig > > > ______________________________ Reply Separator > _________________________________ > Subject: Re: PKZIP on Unix with SAS datasets > Author: Robert Mengis <rmengis@BCO.COM> at Internet-E-Mail > Date: 11/11/98 8:32 AM > > > Rich, > > We use Pkzip on a RS6000 to compress and uncompress SAS files and > other > files as well,i.e., USPS flat files... And have had no problem...but > ye > never know... > -----Original Message----- > From: Mays, Rich <Rich_Mays@URMC.ROCHESTER.EDU> > Newsgroups: bit.listserv.sas-l > To: SAS-L@UGA.CC.UGA.EDU <SAS-L@UGA.CC.UGA.EDU> > Date: Wednesday, November 11, 1998 6:24 AM > Subject: PKZIP on Unix with SAS datasets > > > >We are looking to use Pkzip for Unix to compress some of our SAS > datasets > on > >our Sun server (Solaris 2.6). Before we do so, I would be interested > to > >find out what problems anyone may have had compressing SAS datasets > this > >way. The SAS datasets to be compressed would be fairly large (around > 1 > GB). > > > >We're planning to do this on a regular basis and would like to > determine > the > >overall reliability of Pkzip before we commit to it. > > > >Thanks. > > > >Rich Mays > >University of Rochester >