macro whats_up dir='Calc1'
*
* This macro is to help figure out what the HELL is going on when I vary tau0
* - Why Ros2_2 doesn't change?  It has "t" in it!
* - Why Ro2_2 doesn't change?  Ro2_0 DOES change.
*
nt/crea 99 bw 17 ! ! pt phi n x2 y2 xy xt yt t2 z2 x y t ro2 rs2 ros2 rl2
file = [dir]//'/pions-vs-phi.BW'
nt/rea 99 [file] ! ! ! -/%/
return