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From: OAF.G.PELLER@OZ.AI.MIT.EDU (Adam Peller)
Newsgroups: comp.sys.apple
Subject: Re:  catalog to output other than screen
Message-ID: <8705222028.aa15810@SMOKE.BRL.ARPA>
Date: Fri, 22-May-87 20:26:53 EDT
Article-I.D.: SMOKE.8705222028.aa15810
Posted: Fri May 22 20:26:53 1987
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References: <[ECLA.USC.EDU]20-May-87.09:24:26.BHUBER>
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Message-ID: <12304519966.64.OAF.G.PELLER@OZ.AI.MIT.EDU>

To get the output from the catalog command (in ProDOS) you just open the
pathname as a DIR file... for example:

10 print chr$(4);"open /users.disk,tdir"
20 print chr$(4);"read /users.disk,tdir"
30 get a$:print a$;
40 goto 30
50 end

(this would read the directory char by char and put it on the screen - you'd
probably need some kind of error-trapping for end of file too...)

5 onerr goto 50     ! very BASIC

This will also work for subdirectories, but only in prodos.  If you want
a catalog in DOS 3.3, there are two ways and neither is as easy as the
program above... You'd either have to read the screen (w/strange text
storage at $400-$7ff, or you'd have to read the raw sectors at track $11
with a RWTS subroutine (see DOS 3.3 manual)

good luck,
Adam Peller
ADAMP%OZ@MC.LCS.MIT.EDU (Arpa)
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