[tex-live] ctan->tl updates caught up
zdenek.wagner at gmail.com
Fri Aug 3 14:32:36 CEST 2012
2012/8/3 Philip TAYLOR <P.Taylor at rhul.ac.uk>:
> Zdenek Wagner wrote:
>> There is a good reason. People usually routinely make backup. To copy
>> the whole disk every day (or in some companies several times a day)
>> would be very expensive, thus the backup is incremental and it is
>> necessary to know what was changed from the last backup time.
> Indeed. That last part is very clear. And when the file is created
> by TAR, its "last-modified" date will be set to the time of
> its creation, will it not, since it has not in fact been modified
> in its new home. If this takes place automatically, why is it
> necessary to then explicitly set the "last-modified" date ? This
> is the part that I am clearly failing to understand.
I cannot answer. I switched from DOS+Windows 3.0 to OS/2 in 1994, thus
I do not know the Windows specific details. Maybe I have old notes how
it worked on DOS but most probably, if I still keep them, they may be
on an old 5 1/4" diskette for which I do not have a drive any longer.
> ** Phil.
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