Only print file content on stdout on exit in batch mode

Not in normal mode :

```

---
  Date......: 16/03/2016
  Amount....: -43.00
  Payee.....: ACME Corp
  Category..: Misc

Press any key to continue (Ctrl+D to discard edits): 
!Type:Bank
D16/03/2016
T-43.00
PACME Corp
LMisc
^
```
