dots - my configuration files

#!/bin/sh

FUZZEL="fuzzel --dmenu --password"
DESC=""
ERROR=""
PROMPT=""

echo "OK Please go ahead"
while read cmd rest; do

  if [ -z "$cmd" ]; then
    continue;
  fi

  case "$cmd" in
    \#*)
      echo "OK"
          ;;

        GETINFO)
          case "$rest" in
            flavor)
              echo "D rofi"
              echo "OK"
              ;;
            version)
              echo "D 0.1"
              echo "OK"
              ;;
            ttyinfo)
              echo "D - - -"
              echo "OK"
              ;;
            pid)
              echo "D $$"
              echo "OK"
              ;;
          esac
          ;;

        SETDESC)
          DESC=$rest
          echo "OK"
          ;;

        SETERROR)
          ERROR=$( echo _ERO_${rest}_ERC_ )
          echo "OK"
          ;;

        SETPROMPT)
          PROMPT=$(echo $rest | tr -d ':')
          echo "OK"
          ;;

        GETPIN)
          MESSAGE=$( echo "$ERROR$DESC" | sed -e "s|%0A||g"                \
            -e "s|%22||g"                            \
            -e "s|key:|key:\n|g"                     \
            -e "s|>|>\n|g"                           \
            -e "s|<|\&lt;|g"                         \
            -e "s|>|\&gt;|g"                         \
            -e "s|,created|,\ncreated|g"             \
            -e "s|_ERO_|<span fgcolor='#ab4642'>|g"  \
            -e "s|_ERC_|</span>\n|g"                 )

            # display gpg messages lowercase
            MESSAGE=$( echo $MESSAGE | tr '[:upper:]' '[:lower:]')

            _PP=$($FUZZEL)

            if [ -n "$_PP" ]; then
              echo "D $_PP"
            fi
            echo "OK"
            ;;

          BYE)
            echo "OK closing connection"
            exit 0
            ;;

          *)
            echo "OK"
            ;;
        esac
      done