Date:         Tue, 30 Sep 2008 07:56:54 -0400
Reply-To:     Nathaniel.Wooding@DOM.COM
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Nat Wooding <Nathaniel.Wooding@DOM.COM>
Subject:      Re: Has anyone got a file compare utility written in sas?
Comments: To: RolandRB <rolandberry@HOTMAIL.COM>
In-Reply-To:  <a915c5db-2572-4436-bc52-f6994e038ff9@y21g2000hsf.googlegroups.com>
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Roland

I once saw someone compare SAS programs, yes, SAS code, by reading the
lines in as SAS character variables and then then used Proc Compare to
analyze the similarities and differences between pairs of programs.

This appeared in a SUGI paper, maybe at the San Antonio meeting. The author
had inherited some 20,000 or more lines of code and it appeared that there
were large redundant chunks. By using this comparison technique, he
identified common blocks of code and moved these macros or code chunks that
could be stored as units and then included in jobs either by concatenation
of the job stream (this was batch processing on MVS) or by %include.

HTH

Nat

Nat Wooding
Environmental Specialist III
Dominion, Environmental Biology
4111 Castlewood Rd
Richmond, VA 23234
Phone:804-271-5313, Fax: 804-271-2977



             RolandRB
             <rolandberry@HOTM
             AIL.COM>                                                   To
             Sent by: "SAS(r)          SAS-L@LISTSERV.UGA.EDU
             Discussion"                                                cc
             <SAS-L@LISTSERV.U
             GA.EDU>                                               Subject
                                       Has anyone got a file compare
                                       utility written in sas?
             09/30/2008 05:25
             AM


             Please respond to
                 RolandRB
             <rolandberry@HOTM
                 AIL.COM>






Has anyone got a file compare utility written in sas? It's not often I
ask for such a utlity (or macros) since I have collected so many
macros but such a utility would be useful for validation work on my
sas macros. This is for "files" and not datasets. Input lengths will
need to go to maximum line size (256) but if it is not restricted to
this then so much the better.


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