renaming files

[Grizzly]

27 September 2015  at 14:31, Bill wrote:
renaming files (at least in part)

>Hi,

>I am trying to make a video from jpg files.  The files are in the 
>correct order but there are gaps in the sequence and the sequence should 
>start at 1.  This can be done manually but this is both tedious and 
>error prone.  Is there a utility that does this.  I tried PyRenamer but 
>it seems that this doesn't  do what I want.

>example:

>before:  test 5, test 6, test 7,  test 10, test 20

>these files should be renamed as

>after:    test 1, test 2, test 3,  test 4, test 5

I don't know about a Ubuntu app to do it but *if* you have access to a Windoz 
box (Win95 thru Win7) Rename1-4a is your best friend

http://www.1-4a.com/rename/

It has far more features than most users will ever need but it will do what you 
want in a heart beat