[Info-vax] MIPS vs. VUPS

glen herrmannsfeldt gah at ugcs.caltech.edu
Wed Aug 5 15:49:33 EDT 2015


Paul Sture <nospam at sture.ch> wrote:
> On 2015-07-27, already5chosen at yahoo.com <already5chosen at yahoo.com> wrote:

(snip on disk time vs. CPU compression time)

> Not totally free, but close enough.
 
> A problem with gzip/gunzip is that they do their stuff in situ.  With
> VMS Backup or tar you have the option of doing operations across
> spindles to minimise disk head thrashing.

gzip < file > /somewhere/else/file.gz

depending on your shell, use a shell loop over files.

foreach file ( * )
   gzip < $file > /somewhere/else/$file.gz
end

-- glen



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