[Swift-devel] arrays of files

[Mark Hereld]

oh!  that's good!  thanks.  -- mark

On Nov 22, 2011, at 2:13 PM, Michael Wilde wrote:

> Replace your prior implementation of bar() with this, and you then have a reall array solution (workaround) until the @filenames() bug is fixed:
> 
> app ( file result ) barapp ( file files[], string s[])
> {
>   ls "-lt" s stdout=@result;
> }
> 
> (file result) bar (file files[] )
> {
>  string s[];
>  foreach f, i in files {
>    s[i] = @filename(f);
>  }
>  result = barapp( files, s );
> }
> 
> - Mike
> 
> ----- Original Message -----
>> From: "Mark Hereld" <hereld at mcs.anl.gov>
>> To: "Michael Wilde" <wilde at mcs.anl.gov>
>> Cc: "swift-devel" <swift-devel at ci.uchicago.edu>, "Thomas D. Uram" <turam at mcs.anl.gov>
>> Sent: Tuesday, November 22, 2011 1:07:32 PM
>> Subject: Re: arrays of files
>> thanks mike! only interested in the array solution. collecting
>> generic patterns that can be easily reused for wide number of
>> situations. gpsi. -- mark
>> 
>> 
>> 
>> On Nov 22, 2011, at 12:05 PM, Michael Wilde wrote:
>> 
>> 
>> 
>> Yup, thanks, Mark - its a bug.
>> 
>> if you change the body of bar to read:
>> 
>> ls "-lt" @filename(files[0]) @filename(files[1]) stdout=@result;
>> 
>> instead of:
>> 
>> ls "-lt" @filenames(files) stdout=@result;
>> 
>> then it works.
>> 
>> I'll file a bugzilla ticket on this. David, can you add to the test
>> suite? Mihael, can you fix it?
>> 
>> Thanks,
>> 
>> - Mike
>> 
>> 
>> ----- Original Message -----
>> 
>> 
>> From: "Mark Hereld" < hereld at mcs.anl.gov >
>> 
>> 
>> To: "Michael Wilde" < wilde at mcs.anl.gov >
>> 
>> 
>> Cc: "Thomas D. Uram" < turam at mcs.anl.gov >
>> 
>> 
>> Sent: Tuesday, November 22, 2011 11:48:17 AM
>> 
>> 
>> Subject: arrays of files
>> 
>> 
>> Mike,
>> 
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>> 
>> this swift seems to compile without complaint but breaks down
>> 
>> 
>> with a null pointer at the last line (invocation of "bar"). i think
>> 
>> 
>> i'm
>> 
>> 
>> confused about arrays of file objects. ideas?
>> 
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>> type file; app ( file result ) foo ( string args[] ) { ls "-lt" args
>> 
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>> stdout=@result; } app ( file result ) bar ( file files[] ) { ls "-lt"
>> 
>> 
>> @filenames(files) stdout=@result; } file out <"dirlisting.txt">; out =
>> 
>> 
>> foo([".",".."]); file out2 <"nother.txt">; out2 = foo(["/"]); file
>> 
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>> out3 <"proof.txt">; out3 = bar([out,out2]);
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>> -------------------------------------------------------
>> 
>> 
>> Mark Hereld < hereld at mcs.anl.gov >
>> 
>> 
>> Senior Fellow - Computation Institute
>> 
>> 
>> Experimental Systems Engineer - Mathematics and Computer Science
>> 
>> 
>> Visualization and Analysis Lead - Argonne Leadership Computing
>> 
>> 
>> Facility
>> 
>> 
>> Argonne National Laboratory
>> 
>> 
>> The University of Chicago
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> Cell: 630.327.2088
>> 
>> 
>> Voice: 630.252.4170
>> 
>> --
>> Michael Wilde
>> Computation Institute, University of Chicago
>> Mathematics and Computer Science Division
>> Argonne National Laboratory
>> 
>> 
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>> 
>> -------------------------------------------------------
>> Mark Hereld < hereld at mcs.anl.gov >
>> Senior Fellow - Computation Institute
>> Experimental Systems Engineer - Mathematics and Computer Science
>> Visualization and Analysis Lead - Argonne Leadership Computing
>> Facility
>> Argonne National Laboratory
>> The University of Chicago
>> 
>> 
>> Cell: 630.327.2088
>> Voice: 630.252.4170
> 
> -- 
> Michael Wilde
> Computation Institute, University of Chicago
> Mathematics and Computer Science Division
> Argonne National Laboratory
> 

-------------------------------------------------------
Mark Hereld <hereld at mcs.anl.gov>
Senior Fellow - Computation Institute 
Experimental Systems Engineer - Mathematics and Computer Science
Visualization and Analysis Lead - Argonne Leadership Computing Facility
Argonne National Laboratory
The University of Chicago

Cell: 630.327.2088
Voice: 630.252.4170






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