#!/bin/ksh

# This script prunes the specified directory
# by removing all files except for the last cnt files
#
# Usage:
#         prune-directory.scr dir 'file-list' cnt
#
#  Example: prune-directory.scr dir '*.gif' 100
# 
#     this will prune the *.gif files in dir/
#
##############################

cnt=$3
flist=${1}/$2

echo PRUNE LOG 1> ./prune.sst.log 2>&1

ls -1r $flist | while read f; do
  if [[ $cnt -gt 0 ]]; then
    cnt=$((cnt-1))
  else
    echo rm $f 1>> ./prune.sst.log 2>&1
    rm $f
  fi
done