Groups > comp.lang.java.programmer > #25576

Re: deleting files

Date	2011-01-28 21:57 +0100
From	Luuk <Luuk@invalid.lan>
Newsgroups	comp.lang.java.programmer
Subject	Re: deleting files
References	<kc46k65u61goegok3j9heoc5t5juh78k13@4ax.com> <laib18-l6o.ln1@luuk.invalid.lan> <4d432037$0$23756$14726298@news.sunsite.dk>
Message-ID	<p5nb18-uip.ln1@luuk.invalid.lan> (permalink)

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On 28-01-11 20:59, Arne Vajhøj wrote:
> On 28-01-2011 14:34, Luuk wrote:
>> On 28-01-11 20:00, Roedy Green wrote:
>>> I wrote a program to tidy up my hard disk. I run it as administrator.
>>> It tells me there are a fair number of junk files I cannot delete. I
>>> have a utility, presumably written in C, that much more rapidly scans
>>> my drive for junk and manages to wipe out much of the junk I could
>>> not.
>>>
>>> I curious if anyone has experimented and could tell me:
>>>
>>> 1. why in the C utility is so much faster than my utility. My code is
>>> basically just a bunch of File.list() with filters. What Java doing to
>>> dither?
>>>
>>> 2. What is the utility doing to let it kill more files?
>>
>> Whats the name of that utility, and how does you java-source look like
>>
>> C is compiled code, and runs faster/more-optimized than Java which is
>> byte-compiled (as i remember correctly) to be platform independend, so
>> there a penalty at the last step....
> 
> The Java byte code gets JIT compiled to native code, so that
> should not be a problem.
> 
> But this program should not be CPU bound anyway, so it does not
> matter.
> 
> Arne
> 

Yes, i got the terms mixed up.....

But, like Lew sad, things in C get optimized quicker wit
plaform-specific calls..

Back to the original question, 'junk files' should only reside in
temporary folders, so you would not have to search them.. ;)


-- 
Luuk

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Re: deleting files Luuk <Luuk@invalid.lan> - 2011-01-28 21:57 +0100
  Re: deleting files Lew <noone@lewscanon.com> - 2011-01-28 22:47 -0500
    Re: deleting files Luuk <Luuk@invalid.lan> - 2011-01-29 11:26 +0100
    Re: deleting files "Mike Schilling" <mscottschilling@hotmail.com> - 2011-01-28 20:19 -0800
  Re: deleting files Roedy Green <see_website@mindprod.com.invalid> - 2011-01-29 13:53 -0800

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