sanitize

#!/bin/zsh
# vim:ft=zsh
# abstract: sanitize filenames

if [[ $1 == '-l' || $1 == '-tolower' ]]; then
  # lowercase everything
  shift
  prename 's/(.+)/\L$1/' $@
  exit
elif [[ $1 == '-u' || $1 == '-toupper' ]]; then
  # uppercase everything
  shift
  prename 's/(.+)/\U$1/' $@
  exit
elif [[ $1 == '-t' || $1 == '-totitle' ]]; then
  # titlecase words globally
  shift
  prename 's/(\w+)/\u$1/g' $@
  exit
elif [[ $1 == '-lf' || $1 == '-lcfirst' ]]; then
  # lcfirst words globally
  shift
  prename 's/(\w+)/lcfirst($1)/eg' $@
  exit
elif [[ $1 == '-uf' || $1 == '-ucfirst' ]]; then
  # ucfirst words globally
  shift
  prename 's/(\w+)/ucfirst($1)/eg' $@
  exit
elif [[ $1 == '-x' || $1 == '-fixall' ]]; then
  shift
  prename "s/[',&!?#]//g"';s/[åä]/a/g; s/ö/o/g; s/\s/_/g; s/_-_/-/g; s/\[|]//g; s/[()]//g; s/[.]_/_/g; s/([._-]){2,}/$1/g;' -- $@
  exit
else
  printf "usage: $0 [ OPTIONS ]\n\n  OPTIONS:\n\n%s\n%s\n%s\n%s\n%s\n%s\n" \
    '   -l,  -tolower' \
    '   -u,  -toupper' \
    '   -t,  -totitle' \
    '  -lf,  -lcfirst' \
    '  -uf,  -ucfirst' \
    '   -x,  -fixall'
  exit
fi