tmp.awk

BEGIN {
  FS = ","
  bytes_created = 0
  bytes_wrote = 0
  bytes_deleted = 0
}

$4 == "createFile" {
  bytes_field_length = length($10)
  bytes_created += substr($10, 3, bytes_field_length-3)
  printf("create %s\n", substr($10, 3, bytes_field_length-3))
}

$4 == "delete" {
  bytes_field_length = length($7)
  bytes_deleted += substr($7, 3, bytes_field_length-3)
  printf("delete %s\n", substr($7, 3, bytes_field_length-3))
}

$4 == "writeFile" {
  bytes_field_length = length($9)
  bytes_wrote += substr($9, 3, bytes_field_length-3)
  printf("write %s\n", substr($9, 3, bytes_field_length-3))
}

END {
  printf("Total (create + write - delete): %s \n" , bytes_created + bytes_wrote - bytes_deleted)

}