#
#  fieldsize_vs_z
#
# get
#   1/e half width of laser field strength vs z 
#

if test $# -ne 2 
then
  echo usage: `basename $0` 'direction[x|y] ELFIN_outputfile' 
  exit
fi 

grep '=' $2 |\
egrep 'z = |1/e half width' | egrep 'z = | field' | egrep 'z = |strength' |\
awk  -F"=" '
  BEGIN{ printf "# %16s %16s(%s)\n", "x", "1/e_Field_Size", "'$1'"  }
  /z = /              { z = $2 ; ok=1 } 
  /field strength \('$1'\)/{ if(ok==1){printf "%16.5e %16.5e\n",z,$2};ok=0}'