Rename all files in a directory in sequence (e.g. if you have a bunch of screenshots, and you want them renamed 000.jpg...999.jpg).
seqname [OPTIONS] DIRS...
Options:
--prefix <STR> String to put before number
--suffix <STR> String to put after number
seqname --prefix abc test/
=> test/abc--000.png test/abc--001.png...
seqname --suffix xyz test/
=> test/000--xyz.png test/001--xyz.png...
Prefix and suffix can be used together.