Shell Programming and Scripting

awk -F, 'NR==FNR{A[$1];A[$2];next} !($1 in A || $2 in A)' file2 file1

BCED,890000
ABCKJK,66767

cut -f6,7 -d"|" file1  | sort -u > /tmp/FILE1_$$
cut -f6,7 -d"|" file2 | sort -u > /tmp/FILE2_$$"
comm -3 FILE2 FILE1 > /tmp/NEWFILE_$$

[root@sistem1lnx tes1]# cat diff.sh
cat /dev/null > diffline.txt
while read line1
do
  var=0
  while read line2
  do
    if [ "$line1" = "$line2" ]
      then var=1
    fi
  done < file2
  if [ "$var" = "0" ]
    then echo $line1 >> diffline.txt
  fi
done < file1

[root@sistem1lnx tes1]# ./diff.sh

[root@sistem1lnx tes1]# more diff
diffline.txt  diff.sh

[root@sistem1lnx tes1]# more diffline.txt
BCED,890000
ABCKJK,66767

 
comm -23 File1 File2

 
diff -i File1 File2 | grep "<" | sed 's/^< //g'