[NTLUG:Discuss] disk usage by file age

[Michael Barnes]

On Wed, Jun 30, 2010 at 12:58 PM, Fred James <fredjame at fredjame.cnc.net> wrote:
> Michael Barnes wrote:
>>
>> I'm trying to figure out how to gather some disk data.  What I need is
>> to find the disk usage by subfolder, but only by files older than a
>> certain time.  I can get a list of files with
>> find ./ftp/news +mtime 180
>> and get a list of everything older than six months.
>> I can do
>> du -sh ./ftp/news/*
>> and find the usage by subfolder.
>> What I need is to combine the two, so I get something like
>>
>> 15M             ftp/news/4-Dallas
>> 40M             ftp/news/4-Washington
>> 560M    ftp/news/House
>> 1.1G            ftp/news/Senate
>> 717M    ftp/news/White House
>> 69M             ftp/news/YIR 2009
>> 65M             ftp/news/stuff
>>
>> knowing that the size is for files over six months old.
>>
>>
>> Any simple ideas for this?
>>
>> Thanks,
>> Michael
>>
>
> Michael Barnes
> Have you considered the various 'time' options for 'du' (snip below)? Would
> any of those get you closer to what you want?
> You might also consider the '-printf' option (and it's formating options) of
> 'find' (under Actions). Hope that helps
> Regards
> Fred James
>
> --time show time of the last modification of any file in the directory, or
> any of its subdirectories
>
> --time=WORD
> show time as WORD instead of modification time: atime, access, use, ctime or
> status
>
> --time-style=STYLE
> show times using style STYLE: full-iso, long-iso, iso, +FORMAT FORMAT is
> interpreted like ‘date'
>
>

I tried the 'time' options and got
du: unrecognized option `--time'
and they are not listed as options in du --help.
It is an older machine running SLES 9.  Apparently the 'time' options
are new.  I don't know how I would upgrade du for this old SuSE
install.

Thanks,
Michael