On 07/11/2014 10:56 PM, Steven Haigh wrote:
> On 12/07/2014 3:49 PM, ToddAndMargo wrote:
>> On 07/11/2014 10:44 PM, Steven Haigh wrote:
>>> On 12/07/2014 3:24 PM, ToddAndMargo wrote:
>>>> On 07/11/2014 01:49 PM, Patrick J. LoPresti wrote:
>>>>> On Fri, Jul 11, 2014 at 1:40 PM, Patrick J. LoPresti
>>>>> <[log in to unmask]> wrote:
>>>>>>
>>>>>> Try giving the "--size-only" option to rsync.
>>>>>
>>>>> Better yet, try "--modify-window=1". From the rsync man page:
>>>>>
>>>>> --modify-window
>>>>> When comparing two timestamps, rsync treats the
>>>>> timestamps as
>>>>> being equal if they differ by no more than the
>>>>> modify-window
>>>>> value. This is normally 0 (for an exact match),
>>>>> but you may
>>>>> find it useful to set this to a larger value in some
>>>>> situations.
>>>>> In particular, when transferring to or from an MS
>>>>> Windows FAT
>>>>> filesystem (which represents times with a 2-second
>>>>> resolution),
>>>>> --modify-window=1 is useful (allowing times to differ
>>>>> by up to 1
>>>>> second).
>>>>>
>>>>>
>>>>> - Pat
>>>>>
>>>>
>>>> Hi Pat,
>>>>
>>>> --modify-window=1
>>>> 3 hr - 9 sec
>>>>
>>>> --modify-window=10
>>>> 3 hr - 8 sec
>>>>
>>>> Rat! I really though this sounded right
>>>>
>>>>
>>>> I did notice that the bugger the file (with no changes)
>>>> the longer it took. So, I think they are still doing
>>>> check sums.
>>>>
>>>> Any way to turn of the check sum testing?
>>>
>>> Now you're starting to get off task... How can you sync something if you
>>> don't know if it matches? Sure, you can only go off timestamps
>>
>> How would I do size and time stamp?
>>
>> Virtually everything I modify will either be a different size
>> and/or get a new time stamp. I can not think of a reason
>> why, in this instance, I'd need to do a check sum.
>
> Then you don't want to use rsync - as you're not syncing. rsync will
> also checksum data AFTER copying to verify the copy was successful.
>
> If you don't care about the rest, try the normal cp:
> cp -apu /path/to/source /path/to/destination
>
Hi Steven,
man cp:
-u, --update
copy only when the SOURCE file is newer than the
destination file or when the destination file is missing
Hmmm. I think I will give it a try. Not finding one for
size is different. Not sure that is an issue though
Thank you!
-T
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