#/bin/bash

 filedata="data"
 fileblack="black"
 fileclean="clean"
 dos2unix $filedata $fileblack

 cat $filedata | sort > $filedata.sort
 cat $fileblack | sort > $fileblack.sort

 comm -23 $filedata.sort $fileblack.sort > $fileclean

 unix2dos $fileclean

 echo 'rcpts new: ' $(cat $filedata | nl | tail -1 | awk '{print $1}')
 echo 'rcpts black: '$(cat $fileblack | nl | tail -1 | awk '{print $1}')
 echo 'rcpts cleanfiltered: '$(cat $fileclean | nl | tail -1 | awk '{print $1}')