#!/bin/sh
TAB='	' # The text between the quotes should contain a single tab character.
flags="f"
if [ -n "$*" ]
then
  flags=`echo " $*" | sed 's/[^bfinrs]//g'`
  if [ -z "$flags" ]
  then
    flags="s"
  fi
fi
sort "-$flags" |
uniq -i -c |
perl -pe 's/\s*(\d+)\s(.+)/$1\t$2/' |
sort -t "$TAB" -k 1,1nr "-k 2$flags"