[NTLUG:Discuss] disk usage by file age

[Michael Barnes]

On Wed, Jun 30, 2010 at 2:34 PM, Fred James <fredjame at fredjame.cnc.net> wrote:
> Michael Barnes wrote:
>>
>> 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
>>
>
> Michael Barnes
> A quick look at an old Unix in a Nutshell book also notes a lack of printf
> in find ... so ...
>   find ./ftp/news +mtime 180 -print > fred
> ... should get you a text file of the list of files you are interested in
> and something like ...
>   while read i
>   do
>           data=`du -h $i`
>           echo "${data} ${i}" >> freddy.txt
>   done < fred
>   exit
> ... should produce a text file that contains something like this (see below)
> ... assuming that 'freddy.txt' does not already exist ...
> Does that help?
> Regards
> Fred James
>
> 724K    ./tmp/orbit-fredjame
> 4.0K    ./tmp/ksocket-fredjame/artsd-samples
> 12K     ./tmp/ksocket-fredjame
> 4.0K    ./tmp/kde-fredjame/kdenlive
> 16K     ./tmp/kde-fredjame
> 4.0K    ./tmp/keyring-pZD1S8
> 4.0K    ./tmp/keyring-BivafU
> 4.0K    ./tmp/keyring-HkLdP7
> 84K     ./tmp/plugtmp
> 4.0K    ./tmp/plugtmp-1
> 4.0K    ./tmp/keyring-6gKCsT
> 4.0K    ./tmp/keyring-22APTg
> 4.0K    ./tmp/keyring-EClhPQ
> 4.0K    ./tmp/keyring-4bEPT3
>

That is getting me closer.  The problem now is it doesn't work well
with spaces in file names.  It also lists all the files, while all I
need are the folders with size summary.   But, I'm a lot closer now.

Thanks,
Michael