Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!amdahl!pacbell!att!ihuxy!vg55611
From: vg55611@ihuxy.ATT.COM (Gopal)
Newsgroups: comp.lang.pascal
Subject: Re: DUEL OUTPUT
Message-ID: <2881@ihuxy.ATT.COM>
Date: 6 Mar 89 02:39:43 GMT
References: <18461@adm.BRL.MIL> <1265@sdcc15.ucsd.edu> <1868@valhalla.ee.rochester.edu>
Reply-To: vg55611@ihuxy.UUCP (55611-Gopal,V.P.)
Organization: AT&T Bell Laboratories - Naperville, Illinois
Lines: 28

>>In article <18461@adm.BRL.MIL>, pmancini@lynx.northeastern.edu writes:
>> 
>> 		I would like to know what is (if possible) standard
>> 	implementation in PASCAL to send text output simultaneously
>> 	to the screen and to a LST device or file.  I hate having to
>> 	write lines twice, such as;
>> 
>> 	writeln('abcdefg12345');   {goes to screen}
>> 	writeln(lst,'abcdefg12345');  {goes to printer}

Utility programs are available on many operating systems that will do
a "TEE" operation - i.e. that will send the standard output to both the
standard output (say screen) and an auxiliary file.  I know something
like this exists for UNIX and I have seen something similar for MS-DOS
(unfortunately have neither one).

On MS-DOS, you can also use the <ctrl>-prtsc functions to copy the
standard output to the printer along with the display.

MS-PASCAL allows you to create a string variable that is formatted
with the output of the writeln; but I don't think there are many MS_PASCAL
users in the DOS world.

Venu P. Gopal
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