[Ifeffit] Fe B standard

[Matt Newville]

I believe Marco's right,  and that you want a script like this:
macro read_lytle file group 8000
   read_data ($1, group=$2, narrays=2)
   set (dspace  = 1.92017,     stpdeg  = $3)
   set (r2d     = 57.29577951, hc      = 12398.61)
   set $2.energy =  hc / (2 * dspace) / sin($2.1 / (r2d * stpdeg))
   set $2.xmu    = $2.2
end macro

read_lytle  beerbottle.dat

Sorry the FAQ is so far out of date and the Wiki doesn't have such
info.  Perhaps someone else would be willing to write a How to Use the
Lytle Database on the Wiki or (even better) convert all the data
available to a more useful format.

--Matt