Yea that would probably work.

Maybe something like:

x = InStr(1,Input #1, Chr(9)
if x <> 0 then
do one thing
else
do something else

Tom

On Apr 13, 2010, at 7:49 PM, Spencer Ted wrote:

> 
> On 13 Apr, 2010, at 7:46 PM, Tom Russell wrote:
> 
>> Does anyone have a sure fire way to tell whether the file you are opening is a tab delimited or single column?
> 
> Read a few bytes and see if you encounter a chr$(9) (I think: whatever an ASCII Tab is)??? There shouldn't be any in a single column file.
> 
> --
> Ted Spencer
> 
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