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Date:   Thu, 28 Apr 2005 21:00:57 GMT
Reply-To:   Rusty Shackleford <rs@NATCHIE.MINE.NU>
Sender:   "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:   Rusty Shackleford <rs@NATCHIE.MINE.NU>
Organization:   Debian GNU/Linux site
Subject:   Re: Filename PIPE and Datastep DOW loop
Comments:   To: sas-l@uga.edu

Wow -- this is the most unusual use of SAS I've seen. Why not use a language like C that has networking libraries available?

On Thu 28 Apr 2005 02:56:26 PM EDT, Matt Pettis wrote: > Hi, > > I would like to make a datastep execute an external command with an unnamed > pipe which changes arguments based on data read into the datastep and then > parse the STDOUT. My first attempts have not been fruitful, as only the > pipe with the last assigned value gives me output. Can I change the > filename pipe in a loop in the datastep and parse the output of the pipe in > a DOW loop? If not, why not, and is there a workaround? > > I think that my problem can be illustrated in the following log with the > attendant question: why is only the output from the second command output, > and not the first? > > TIA, > Matt > ------ > 239 DATA _NULL_; > 240 FILENAME NSLKUP PIPE 'NSLOOKUP 207.255.105.92'; > 241 INFILE NSLKUP END=EOF; > 242 DO UNTIL (EOF); > 243 INPUT; > 244 PUT _INFILE_; > 245 END; > 246 FILENAME NSLKUP CLEAR; > NOTE: Fileref NSLKUP has been deassigned. > 247 FILENAME NSLKUP PIPE 'NSLOOKUP 207.255.105.93'; > 248 INFILE NSLKUP END=EOF; > 249 DO UNTIL (EOF); > 250 INPUT; > 251 PUT _INFILE_; > 252 END; > 253 RUN; > > NOTE: The infile NSLKUP is: > Unnamed Pipe Access Device, > PROCESS=NSLOOKUP 207.255.105.93,RECFM=V, > LRECL=256 > > Server: eg-ecomdc-a05.ecom.tlrg.com > Address: 167.68.80.161 > > Name: 207-255-105-093-dhcp.unt.pa.atlanticbb.net > Address: 207.255.105.93 > NOTE: 6 records were read from the infile NSLKUP. > The minimum record length was 0. > The maximum record length was 51. > NOTE: DATA statement used (Total process time): > real time 0.07 seconds > cpu time 0.00 seconds


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