#!/bin/bash
prev=""; cons=1;

for str in `cat ${1}` 
  do
  if [ "${str}" != "$prev" ]
      then
      if [ ! -z $prev ] 
	  then
          echo "${prev}/${cons} "
      fi
      prev=${str}
      cons=1
   else
      let "cons = cons + 1"
   fi
   done

if [ ! -z prev ]
   then
   echo "${prev}/${cons}"
fi
