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Description:

renumSeq 1.4.1

About renumseq
renumseq is a Unix/Linux command-line-utility for renumbering image-sequences
which are most
typically used in CG post-production.
renumseq allows you to renumber sequences with an offset or give them a new start frame.
It also allows you adjust the padding of the frame numbers.
renumseq uses the syntax of the native output of
lsseq to specify
the sequence to be renumbered. Therefore it is recommended to
use lsseq as it makes using renumseq easier.
For example, use lsseq to list a sequence, then
cut and paste its
output as the arguments to renumseq with the appropriate
arguments for setting the offset or new start-frame.
renumseq was written to be safe in that it won't
unintentionally overwrite any existing files
during renumbering.
If renumseq finds that by renumbering a sequence it will write over another frame
outside the range specified then it will skip renumbering that sequence
(printing a warning) and go onto the next sequence in the list. Naturally
there is an option to force renumseq to overwrite those files if desired.
renumseq doesn't need to make temporary copies of files during the renumbering
(it does a move of the file), so it's fast.
renumseq also has a useful option, called --replaceUnderscore
that changes any underscore-separators (separating the filename from the
frame-number) with dot-separators, like this:
filename_[n-m].extension -> filename.[n-m].extension
Protip: If all you want to do is switch the separator from an underscore to a dot, then
use a zero offset, plus the --replaceUnderscore argument.
Installing renumseq
python3 -m pip install renumSeq

Testing renumseq
After installing try the following:
$ cd ~
$ mkdir tmp
$ cd tmp
$ touch aaa.001.tif aaa.002.tif aaa.003.tif aaa.004.tif aaa.005.tif
$ lsseq -Z
aaa.[001-005].tif
$ renumseq --verbose --offset 10 'aaa.[001-005].tif'
aaa.005.tif -> aaa.015.tif
aaa.004.tif -> aaa.014.tif
aaa.003.tif -> aaa.013.tif
aaa.002.tif -> aaa.012.tif
aaa.001.tif -> aaa.011.tif
$ lsseq -Z
aaa.[011-015].tif

Note that you may get an error from your
shell when you try to run the renumseq command above, without the
quotes around the sequence, that might look something like
this:
% renumseq -o 10 aaa.[001-005].tif
renumseq: No match.

In which case you need to "escape" the square brackets as they are special characters
as far as the shell is concerned. Escape them like this:
% renumseq -v -o 10 aaa.\[001-005\].tif
aaa.005.tif -> aaa.015.tif
aaa.004.tif -> aaa.014.tif
aaa.003.tif -> aaa.013.tif
aaa.002.tif -> aaa.012.tif
aaa.001.tif -> aaa.011.tif

Alternatively you can just enclose the argument in quotes
('aaa.[001-005].tif')
like we did in the example above.
Type this:
$ renumseq --help

...for much more useful info.