par prikazov a TIME

[Zdenek Pytela]

mailing na lentus.sk píše:
> Prajem pekny den
> 
> Potrebujem pomoct s par prikazmi.
> Snad mi helfnete s vytvorenim skriptu / "zrurovanim" par veci, aby som
> docielil:
> 1. najdi vsetky subory v adresari X, kt. maju viac ako 100MB a su starsie
> ako 5 dni a zmaz
> cize nieco ako find ak > 100MB ^ older>5_days | rm *
> ale co som skusal, to som skusal a big_nichts ;)
> to si xcem radsej urobit do skriptu + v nom vytvorit premenne a potom to
> jednoducho len v skripte (pocet MB a dni) zmenit a thats all
find (1):
...
       -mtime n
              File's data was last modified n*24 hours ago.
...
       -size n[bckw]
              File uses n units of space.  The units are 512-byte
...
       -print0
              True; print the full file name on the standard out-
              put, followed by a  null  character.   This  allows
...
xargs (1):
...
       --null, -0
              Input filenames are terminated by a null  character
              instead  of by whitespace, and the quotes and back-
...


> change time a modified time - aky je v tom rozdiel?
stat (1):
...
       Time of last access

       Time of last modification

       Time of last change

...
	Nebo kupodivu ls (1):
...
      -c     with  -lt:  sort  by, and show, ctime (time of last
              modification of file status information)  with  -l:
              show  ctime  and  sort  by  name otherwise: sort by
              ctime
...

> access time - meni sa aj pri precitani? (ak nie, tak na co vlastne sluzi?)
	Proto je to snad access time.

> ak mi MC vypise njaky cas - kt. z tych troch to je?
> 
> celkovo bezny cas, kt. sa uvadza pri beznych prikazoch typu LL - kt. z
> menovanych troch to je?
Nevím sice, co je to LL,
bash: LL: command not found
ale skoro vždycky to bude mtime, pokud sám nechcete jinak.

-- 

--Zdeněk Pytela, <letty na mrakoplas.phil.muni.cz>