compare the contents of two


‘Description: Compares the content of two files

Open “file1” For Binary As #1
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

2 responses to “compare the contents of two

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s