rename.sh

   1 #!/bin/sh
   2
   3 usage() {
   4         echo 'Usage: ${0} -p prefix [-d directory] [-t extension] [-u]'
   5         echo "  -p      prefix to be removed"
   6         echo "  -d      destination folder"
   7         echo "          default current directory"
   8         echo "  -t      files extension"
   9         echo "          default to ogg"
  10         echo "  -u      encode filename in UTF-8"
  11         echo '---------------------'
  12 }
  13
  14 processing()
  15 {
  16         echo processing "${@}"
  17         newfile=`echo "$@" | sed "s/${prefix}//g"`
  18         [ -n ${iconv} ] && newfile=`echo ${newfile} | iconv -cs -t UTF-8`
  19         echo "  : copying <$newfile> into <${dest}>"
  20         cp "${@}" "${dest}/${newfile}"
  21 }
  22
  23 while getopts "p:d:t:u" option
  24 do
  25         case ${option} in
  26                 p)
  27                         prefix="${OPTARG}"
  28                         ;;
  29                 d)
  30                         dest="${OPTARG}"
  31                         ;;
  32                 t)
  33                         ext="${OPTARG}"
  34                         ;;
  35                 u) iconv="y"
  36                         ;;
  37                 *)
  38                         usage
  39                         exit 1
  40                         ;;
  41
  42         esac
  43 done
  44
  45 dest=${dest:-.}
  46 ext=${ext:-ogg}
  47 [ -z "${dest}" ] && usage && exit 1
  48 [ -z "${prefix}" ] && usage && exit 1
  49
  50 echo
  51 echo "Copy and rename ${ext} files, removing <${prefix}> prefixes, into <${dest}>."
  52 [ -n "${iconv}" ] && echo '* Filename UTF-8 encoding is on.'
  53 echo
  54 mkdir -p "${dest}" || (echo "unable to create ${dest}" && exit 1)
  55
  56 find . -maxdepth 1 -type f -name "*.${ext}" -print | while IFS= read file; do processing "${file}" ; done
  57