Hi I would like to add carriage return at end of file,
because we need to mask the customer names for detailed records.

Some what the file doesnot have carriage at end of line of last record.So that i 'll get 2 records when use

---aa.txt-----
1|aaa|bbb|ccc
2|bbbb|hghgh|ggg
000002

tail -1 aa.txt

2|bbbb|hghgh|ggg
000002

how can i add carriage return at end of line?

Thanks for your advise in advance

Regards,
Haa