[TriLUG] Some script help

[William Sutton via TriLUG]

I have used mtime in the past, but sometimes I have also changed something 
on a dated file (maybe gzip'd it, for example) such that the mtime no 
longer reflects the actual date of the file.

That's why my suggestion perserved the date from his filename, rather than 
relying on the mtime (or ctime, or atime).

William Sutton

On Tue, 12 May 2015, Matt Pusateri via TriLUG wrote:

> A lot simpler to just have find +mtime script prune the directory and rsync to transfer the files as someone else alluded to
>
> Matt 
>
> Sent from my iPhone
>
>> On May 12, 2015, at 4:40 PM, Alan Porter via TriLUG <trilug at trilug.org> wrote:
>> 
>> 
>> 
>> 
>>> Bash is fine for this, but the key is to not try to compare dates. Bash doesn't do that well at all.
>> 
>> If you must compare dates in bash, let the date command convert them for you.
>> 
>> echo $((  (  $(date -d '2015-05-12' +%s)  -  $(date -d '2014-05-12' +%s)  )  / 86400  ))
>> 365
>> 
>> 
>> Or if long lines are not your thing...
>> 
>> d1=$(date -d '2015-05-12' +%s)
>> d2=$(date -d '2014-05-12' +%s)
>> echo $(( ( $d1 -  $d2 ) / 86400 ))
>> 365
>> 
>> 
>> Alan
>> 
>> 
>> 
>> -- 
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