Compare two files based on the condition using awk

Question

I have two files:

1.txt:

j_e_s_s_i_c_a_a_n_n zoltan670605@freemail.hu  61b8a203438ea1c56c1489ec7bea7a0e
9871951 sexbollente@hotmail.com 671cb9239bf797a08         


        

Answer 1

Following awk may help you in same.

awk '
FNR==NR{
  val=$1;
  sub(/[^:]*/,"");
  sub(/:/,"");
  a[val]=$0;
  next
}
!($NF in a){
  print > "left.txt";
  next
}
{
  print $1,$2,a[$NF]> "result.txt"
}
'  FS=":" 2.txt FS=" "  OFS=" " 1.txt