Scan question

[Rafi2003]

Hello,

I came across the following Scan expression in an instrument driver. Can anybody explains its details?

if ((Scan(rdBuffer, "%s > %s[xt44]$s[t77]", ChanA, ChanB)) !=2) return Error;

Thanks
Rafi

[RobertoBozzolo]

This statement scans a string dividing into 2 substrings, the first one from the beginning up to the first comma [,] found, the second one from that point up to the first "M" found.

In my opinion the $ sign is incorrect and should be a %.

The Scan instruction is quite complex to understand: the best is that you look into the on-line help >> Library Reference >> Formatting and I/O library where Scan function is described in full detail.