aledger/final.awk

/aledger error/ {
  print $0
  exit 1
}
{
  before = ""
  seen = FALSE
  spaces = ""
  split($1, sep, ":")
  for(i = 1; i < length(sep); i++) {
    if(before == "") {
      before = sep[i]
      spaces = spaces "  "
    } else {
      before = before ":" sep[i]
      spaces = spaces "  "
    }
    if(seet[before]) {
      seen = TRUE
    }
  }
  print spaces sep[length(sep)] "  " $2
  seet[before] = TRUE
}