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Date:   Mon, 24 Jan 2011 09:41:24 -0500
Reply-To:   bbser 2009 <bbser2009@GMAIL.COM>
Sender:   "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:   bbser 2009 <bbser2009@GMAIL.COM>
Subject:   Re: routes test? appropriate compiler? input stack
Comments:   To: "Keintz, H. Mark" <mkeintz@wharton.upenn.edu>
In-Reply-To:   <E0B423A8C0D1E74B8905B2C5CB38C1AF124CD6@GENO4.wharton.upenn.edu>
Content-Type:   text/plain; charset="us-ascii"

It's from the advanced certification book, 2nd edition, p295-296. You might have a look about the pages from this link: http://books.google.ca/books?id=k3_cZ2gp3pAC&printsec=frontcover&dq=SAS+cert ification+prep+guide+advanced&hl=en&ei=oI09TfyeCYP58Abx8p2UCg&sa=X&oi=book_r esult&ct=result&resnum=1&ved=0CDcQ6AEwAA#v=onepage&q&f=false

It is about how SAS processing Macro variables. I was trying to understand the portion from the middle of p296, where it mentioned this: Once SAS code is in the input stack, SAS 1. reads the text in the input stack 2. routes text to the appropriate compiler upon demand 3. ...

I would like to have some help to understand the second item: what does it mean by "routes text"? what does it mean by "appropriate compiler"? Are there different compilers for SAS code?

Thanks.

Max

-----Original Message----- From: Keintz, H. Mark [mailto:mkeintz@wharton.upenn.edu] Sent: January-24-11 9:14 AM To: bbser 2009; SAS-L@LISTSERV.UGA.EDU Subject: RE: routes test? appropriate compiler? input stack

Max:

I presume your first paragraph below is a quote from some documentary source. If so, then providing the specific source of that quote would help those from whom you want help. I see that in a later email you provided an additional clue, although I for one would be more confident of my own answers or conjectures if I had the actual URL or SAS publication title and page number of the quote.

Absence of such details gives the appearance of posting questions to SAS-L as sort of a stream-of-consciousness exercise rather than showing evidence of due diligence in finding answers.

Regards, Mark

> -----Original Message----- > From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On Behalf Of > bbser 2009 > Sent: Monday, January 24, 2011 8:56 AM > To: SAS-L@LISTSERV.UGA.EDU > Subject: routes test? appropriate compiler? input stack > > Once SAS code is in the input stack, SAS reads the text in the input > stack, > routes text to the appropriate compiler upon demand, ... > > Could you please explain in plain English that what SAS actually do in > the > scenario described in the last part "routes text ..."? > Thanks. > > Max

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