Matlab script to generate .lau datafiles (for Single_crystal.comp) from .laz type

  function laz2laue(datafile)
  
    Script to generate '.lau' type datafile from '.laz' (generates
    multiples and sorts by h.^2+k.^2+l.^2 )
 
    Example:
       laz2laue('/usr/local/lib/mcstas/data/Cu.laz')

Important details:

• 1) Does NOT change F2 units etc.
• 2) No clever spacegroup considerations etc. copies every reflection to the other 7 octants...
• 3) Unix specific as it relies on having a 'grep' command on the system path
• 4) Saves resulting datafile to current directory