[NTLUG:Discuss] Re: Is there a command line utility which will report directory statistics?

[Terry]

On 1/21/06, Leroy Tennison <leroy_tennison at prodigy.net> wrote:
> Kevin Brannen wrote:
>
> > Leroy Tennison wrote:
> >
> >> ...
> >> Second, I take it that 'du' reports only in blocks rather than actual
> >> aggregates of sizes even if the '-b' switch is used, correct?  The
> >> reason I ask is that I'm looking for an equivalent of what the Evil
> >> Empire does when it calculates directory sizes.
> >
> >
> >
> > Not sure what you're asking here, but -b gives you the size in bytes
> > (or changes the block size to 1 byte instead of the default 1K).  Try
> > "du --help" and read closely.  If you prefer to learn by example,
> > here's something for you:
> >
> > [13 ~ /home/kevin] ls -l SUSE-10.0-LiveDVD.iso
> > -rwx------  1 kevin users 1094363136 2006-01-17 20:57
> > SUSE-10.0-LiveDVD.iso
> >
> > [14 ~ /home/kevin] du -b SUSE-10.0-LiveDVD.iso
> > 1094363136      SUSE-10.0-LiveDVD.iso
> >
> > [15 ~ /home/kevin] du -k SUSE-10.0-LiveDVD.iso
> > 1069760 SUSE-10.0-LiveDVD.iso
> >
> > [16 ~ /home/kevin] du -h SUSE-10.0-LiveDVD.iso
> > 1.1G    SUSE-10.0-LiveDVD.iso
> >
> > So you can see the actual size with the "ls -l" and that "du -b" gives
> > the same answer (as would "wc -c").  The -k and -h switches to du just
> > change their reporting format.  I used a file here to make the example
> > easier, but you would get the same type of results with full dirs.
> >
> > HTH,
> > Kevin
> >
> > _______________________________________________
> > https://ntlug.org/mailman/listinfo/discuss
> >
> Your point is exactly why I'm having heartburn, I don't get the same
> answer with 'ls -al' and 'du -b' on RedHat 9, see actual output below:
>

ls -s  [filename] will report the size of the file
du -b [filename] will report the amount of disk space occupied by the
file, (the amount of "disk usage" taken up to store the file).

> [leroy at linux-b index_files]$ ls -al
> total 108
> drwxr-xr-x    2 root     root         4096 Jan 19 05:42 .
> drwxr-xr-x    7 root     root         4096 Jan 19 05:33 ..
> -rw-r--r--    1 root     root          195 Jan 19 05:42 filelist.xml
> -rw-r--r--    1 root     root        83761 Jan 19 05:42 image001.jpg
> -rw-r--r--    1 root     root         6807 Jan 19 05:42 image002.jpg
> [leroy at linux-b index_files]$ du -b
> 106496  .
> [leroy at linux-b index_files]$ ls -al filelist.xml
> -rw-r--r--    1 root     root          195 Jan 19 05:42 filelist.xml
> [leroy at linux-b index_files]$ du -b filelist.xml
> 4096    filelist.xml
> [leroy at linux-b index_files]$
>
> What I'm getting with 'du -b' is the sum of a rounding up of each file
> to the next higher 4K boundary plus the size of the . and .. entries.  I
> guess it's time to boot up Fedora and SuSE to see if this is a
> distribution/version issue.
>
>
> _______________________________________________
> https://ntlug.org/mailman/listinfo/discuss
>


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