Chris,
Thanks for the prompt response.
I have File.oz compiled and linking. The problem is with the stdin
atom, it is not referenced in File.oz, only in Open, but using Open as
per section 20 of the docs, doesn't seem to work either.
I hate to move on without solving this, if you have any other ideas I
am all ears.
-Justin
On Sep 19, 2008, at 7:57 PM, Chris Rathman wrote:
Worked my way through CTM, but with a different language. But I in
translating some other code where I needed file io (writing out
postscript files), I ran into the same problem.
The solution is to download File.oz from the book's supplement web
page and compile it. Source can be found at:
http://www.info.ucl.ac.be/~pvr/ds/mitbook.html
Chris
Justin Henzie wrote:
Hi all,
Sorry for the newb question but I am a little stuck
I am working my way through CTM and I am trying to get the WordFreq
program at the end of Chapter 3 up and running.
My specific problem is how the File.readList is accessing stdin.
If I execute the code as written:
*/L={File.readList stdin}/*
The following error occurs
%********************** error in URL support ********************
%**
%** Cannot locate file
%**
%** File name: stdin
%** Operation: open
%**
%** Call Stack:
%** procedure 'Get' in file "/Users/bmejias/Mozart/mozart-1-4-x/
mozart/share/lib/init/Resolve.oz", line 394, column 6, PC = 4061088
%**--------------------------------------------------------------
Investigating a little further I added the following
*/StdIn = {New Open.file init(name:stdin)}/*
*/ /**/ /**/L={File.readList StdIn}/*
Which generates
%*************************** type error *************************
%**
%** Expected type: virtualstring
%** At argument: 1
%** In statement: {VirtualString.toString <O: File> _<optimized>}
%**
%** Call Stack:
%** procedure 'ToString' in file "/Users/raph/devel/mozdss-branch/
mozart/share/lib/base/VirtualString.oz", line 54, column 6, PC =
8632344
%** procedure 'PARSE' in file "/Users/bmejias/Mozart/mozart-1-4-x/
mozart/share/lib/dp/URL.oz", line 215, column 3, PC = 4283680
%** procedure 'Get' in file "/Users/bmejias/Mozart/mozart-1-4-x/
mozart/share/lib/init/Resolve.oz", line 394, column 6, PC = 4060480
%** procedure 'File,init' in file "/Users/bmejias/Mozart/mozart-1-4-
x/mozart/share/lib/op/Open.oz", line 291, column 2, PC = 4121972
%** procedure 'ReadList' in file "./File.oz", line 30, column 3, PC
= 8571596
%** procedure in file "./WordApp.oz", line 1, column 0, PC = 8565672
%** procedure 'RootManager,Pickle/fast' in file "/Users/bmejias/
Mozart/mozart-1-4-x/mozart/share/lib/init/Module.oz", line 244,
column 6, PC = 8543904
%** procedure in file "/Users/raph/devel/mozdss-branch/mozart/share/
lib/base/Base.oz", line 92, column 7, PC = 4264612
%**--------------------------------------------------------------
Any help would be greatly appreciated.
Regards,
Justin
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