by T-REX Software (14 Submissions)
Category: Custom Controls/Forms/Menus
Compatability: Visual Basic 4.0 (32-bit)
Difficulty: Unknown Difficulty
Originally Published: Wed 24th March 1999
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Comparing the content of two files
VBcoders
Open "file2" For Binary As #2
issame% = True
If LOF(1) <> LOF(2) Then
issame% = False
Else
whole& = LOF(1) \ 10000 'number of whole 10,000 byte chunks
part& = LOF(1) Mod 10000 'remaining bytes at end of file
buffer1$ = String$(10000, 0)
buffer2$ = String$(10000, 0)
start& = 1
For x& = 1 To whole& 'this for-next loop will get 10,000
Get #1, start&, buffer1$ 'byte chunks at a time.
Get #2, start&, buffer2$
If buffer1$ <> buffer2$ Then
issame% = False
Exit For
End If
start& = start& + 10000
Next
buffer1$ = String$(part&, 0)
buffer2$ = String$(part&, 0)
Get #1, start&, buffer1$ 'get the remaining bytes at the end
Get #2, start&, buffer2$ 'get the remaining bytes at the end
If buffer1$ <> buffer2$ Then issame% = False
End If
Close
If issame% Then
MsgBox "Files are identical", 64, "Info"
Else
MsgBox "Files are NOT identical", 16, "Info"
End If
