Re: What is the best way to touch a file and set its time of the last time of a bunch of other files?

[Stephane Chazelas]

2015-08-07 11:09:52 +0200, Andreas Schwab:
> Andreas Schwab <address@hidden> writes:
> > Peng Yu <address@hidden> writes:
> >
> >> Hi, `touch -r` allows one to set the time of a file same as a
> >> reference file. What if one wants to set the time to be the last time
> >> of multiple files? Is there an easy way to do so?
> >
> > $ touch -d @$(stat -c %s $files | sort -n | tail -n1) $file
>                         %Y
> 
[...]

Note that that truncates the date to its integer part. You may
want to make it %.Y instead.

touch -d "@$(stat -c %.Y -- "${files[@]}" | sort -rg | head -n1)" -- "$file"

(also, don't foget the quotes around expansions).

-- 
Stephane