Posted to bogusest by Bradipo at Tue Apr 05 19:49:39 GMT 2022view pretty

$ cat token.awk 
/NEKOT/ {
  printf("y\nz\n");
  next
}
/TOKEN/ {
  printf("a\nb\n");
  next
}
{
  print
}

$ awk -f token.awk input.txt
0
y
z
1
a
b
2