&input_bgw2pw
   prefix = 'silicon'       ! same as in espresso
   real_or_complex = 1      ! 1 for real or 2 for complex
   wfng_flag = .true.       ! read wavefunction in G-space
   wfng_file = 'WFN'        ! wavefunction file name
   wfng_nband = 0           ! number of bands to write (0 = all)
   rhog_flag = .true.       ! read charge density in G-space
   rhog_file = 'RHO'        ! charge density file name
/

# above are typical values for Si. below are the defaults.
  prefix = 'prefix'
  real_or_complex = 2
  wfng_flag = .false.
  wfng_file = 'WFN'
  wfng_nband = 0
  rhog_flag = .false.
  rhog_file = 'RHO'
