Bob's wiki

Usage: mass-mv [OPTION...] [--] [ filename(s) ]
Renames files en masse.
Options:

  -a, --convert-all          replace all runs of non-'[:alnum:].-' with '_'
  -c, --chop=string          chop out a string (not a regex)
  -l, --lower                lower case filenames
  -n, --dry-run              just print what it would do
  -R, --recursive            descend subdirectories
  -s, --sed=string           pass old filename through a sed command (eg
                             's/asdasd/dfgdfg/')
  -S, --spaces               remove spaces
  -u, --upper                upper case filenames
  -v, --verbose              be verbose
  -h, --help                 print this help message
  -V, --version              print version and exit

Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.