>Any ideas how to find string between two unique strings in TXT file without using FILETOSTR command?
>For example I need to find string
>
>aa
>bb
>cc
>
>in TXT file
>
>1111
>2222
>3333
>first string:aa
>bb
>cc
>second string:fsdfsdfs
>444
>555

Why can you not use FILETOSTR()? It's probably the simplest.

If the maximum length of a line is less than 254, you could import into a cursor and process that:

CREATE CURSOR _Strings ( CharStr C( {max string length} ) )
APPEND FROM {YourTextFile} TYPE SDF
LOCATE FOR LEFT( CharStr, LEN( {first string} ) ) == {first string}
etc.