Subject Re: Filter From Mervyn Bick <invalid@invalid.invalid> Date Mon, 13 Dec 2021 21:47:36 +0200 Newsgroups dbase.getting-started On 2021/12/13 20:29, Agostinho wrote: > Dear Mervyn thank you for supporting > Note that my field contain only 'j' for paid > invoices and ' ' (empty) for non paid invoices Fine. in that case you don't have to test for 'J'.   filter = "betj_n = ' '" works on my test file but didn't work for you possibly because dBASE may have null values in the field. filter = "betj_n <> 'j'"  should return all non-paid records whether the field contains ' ' or null. Mervyn.