Question about test_io.m

[Ben Abbott]

Tasuro,

Your question is with regards to the including the compression option,  
"-z" in all options, correct?

I recall some discussion about compression a few weeks ago, but do not  
remember the details.

Why should the "-z" be removed?

Ben

On Apr 8, 2009, at 6:32 AM, Tatsuro MATSUOKA wrote:

> Hello
>
> Is my question stupid?
>
> I would like to know whether my question is stupid or not.
>
> Regards
>
> Tatsuro
>
> --- Tatsuro MATSUOKA  wrote:
>
>> Hello
>>
>> This is the previous post but no reply have not gotten yet.
>>
>> http://www.nabble.com/Quesion-about-test_io.m-td22074114.html#a22074114
>>
>> Is my question stupid?
>>
>> Regards
>>
>> Tatsuro
>>
>> --- Tatsuro MATSUOKA wrote:
>>
>>> Hello
>>>
>>> In test_io.m,
>>>
>>> line 76-84
>>>
>>> %!  files = {"text.mat", "binary.mat", "mat5.mat", "mat7.mat"};
>>> %!  opts = {"-z -text", "-z -binary", "-z -mat", "-v7"};
>>> %!  tols = {2*eps, 0, 0, 0};
>>> %!
>>> %!  vars = "a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16  
>>> a17 a18 a19 a20";
>>> %!  if (! input)
>>> %!    for i = 1:length (files)
>>> %!      eval (sprintf ("save %s %s %s", opts{i}, files{i}, vars));
>>> %!    endfor
>>>
>>>
>>> %!  opts = {"-z -text", "-z -binary", "-z -mat", "-v7"}; ????
>>>
>>>
>>> help save
>>>    :
>>>    :
>>>   `-z'
>>>         Use the gzip algorithm to compress the file. This works
>>>         equally on files that are compressed with gzip outside of
>>>         octave, and gzip can equally be used to convert the files  
>>> for
>>>         backward compatibility.
>>> Is
>>> %!  opts = {"-z -text", "-z -binary", "-z -mat", "-v7"};
>>> correct?
>>>
>>> I think it should be
>>> %!  opts = {"-text", "-binary", "-mat", "-v7"}; ?
>>>
>>> Any comments?
>>>
>>> Regards
>>>
>>> Tatsuro
>>>
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>>
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