On Wed, 3 Feb 2016, John Jason Jordan wrote:
> I frequently have a dozen or so screenshots taken with VLC. The files
> are in the format like this:
>
> vlcsnap-2016-02-03-14h28m24s290
>
> I wish to rename all the files in the folder that start with 'vlcsnap'
> to <some_keyword>#, where # is an incremental number starting with 0
> for the first one and incrementing for each one. The files appear in
> chronological order, and that is how I want them numbered. It is
> important that they be numbered in chronological order. But once they
> are renumbered I don't want the cumbersome time stamp on each file. In
> other words, using the above file as an example, and assuming that it
> is the first in the series, I want to rename it to to:
>
> Keyword0
>
> At this time I am renaming them individually one at a time. But I
> suspect that I can automate the process with the command line, saving
> myself a lot of tedious work. I could use some suggestions for how to
> go about this.
Assuming that bash will list your vlcsnap files in the chronoglogical
order you desire, this should do the trick. Note that it merely prints
the mv operations to stdout; it doesn't actually do anything to your
files. You'll want to make the 'echo' line into a 'mv' command to
accomplish that. (Or save the output to a file and execute that file.)
let N=0
for F in vlcsnap-*; do
echo "mv $F Keyword${N}"
let N=$N+1;
done
I'm sure you know that, in this recipe, the resulting Keyword* files
will not sort correctly. For example, Keyword11 will sort before
Keyword2.
If you want them to sort correctly, you can either let N be a large
number (let N=100000) at the beginning of the script or use printf to
add leading zeros:
let N=0
for F in vlcsnap-*; do
echo "mv $F Keyword$(printf '%05d' $N)"
let N=$N+1;
done
Adjust the '5' in that recipe as desired.
--
Paul Heinlein <> [email protected] <> http://www.madboa.com/
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