Re: Did I found a bug in "ls"?

[Major Péter]

Sorry about the off-topic.

But here is some list-related problems of mine:
ls:
If it has a null parameter e.g. in
"find blah -print0 | xargs -0 ls" find gives no hit,
the ls writes on the output (maybe on error output, I'm not sure) a 
message, that incorrect argumentum has camed, BUT it still writes out 
the content of a normal ls, and the exit status is 0. So that's why I 
need to check first, that the find output whether null is or not...

And I have some problem with du too. Which is: it can't write out the 
size of a single folder. There is no option to do that, it adds the 
content of the folder too always.

//The script for homework has been written now, thanks for helping me 
out, the xargs command was really helpful.
//If someone interested in it: http://sclub3.uw.hu/homework/irfhw.sh

Regards,
Peter

Philip Rowlands írta:
> On Sun, 8 Mar 2009, Major Peter wrote:
> > The main problem with du is, that it doesn't care with users, so I 
> > need a "find" before (using the -user will solve the problem). But I 
> > can't use du `find ...` because it will contain the subfolders too, 
> > so it will duplicate, and the measure won't be correct. (Or if I'm 
> > use the --max-depth option it will still not care with the user 
> > filtering).
> > So by now I have this:
> > du `find . -type f -user foobar`
> > using sed, and a for cycle I can make a sum from this values.
> > But now, I don't have the sizes of the directories, so that's why I 
> > tried to use:
> > ls `find . -type d -user foo -name "*"` # -name "*" will be removed 
> > in the final version
> > but didn't worked, so I wrote here a mail.
> > If you know a better way, please just send me a command or parameter 
> > name, because this is my homework. :)
>
> I don't expect this list will do your homework for you, however... you 
> can get all the required information about users and filesizes from 
> find's -printf action.
>
>
> Cheers,
> Phil