#!/bin/bash
file=$1
out=${file}.conv

 Ndet=`grep "N_det             =" $file | cut -d "=" -f 2` 
 Evar=`grep "E               =" $file | cut -d "=" -f 2` 
 EPT2=`grep "E+rPT2           =" $file | cut -d "=" -f 2 | cut -d "+" -f 1` 
 err=`grep "E+rPT2           =" $file | cut -d "=" -f 2 | cut -d "+" -f 2 | cut -d "/" -f 2 | cut -d " " -f 5`

Ndetarray=[]
j=0
for i in $Ndet
 do 
  Ndetarray[$j]=$i
  let "j=j+1"
done
Nmax=${#Ndetarray[*]} 
let "Nmax-=1"


Evararray=[]
j=0
for i in $Evar
 do 
  Evararray[$j]=$i
  let "j=j+1"
done


EPT2array=[]
j=0
for i in $EPT2
 do 
  EPT2array[$j]=$i
  let "j=j+1"
done


errarray=[]
j=0
for i in $err
 do 
  errarray[$j]=$i
  let "j=j+1"
done




echo "#Ndet        E_var         E+PT2      statistical error  " > $out
for i in `seq 0 $Nmax`
do
 echo ${Ndetarray[$i]}  ${Evararray[$i]}  ${EPT2array[$i]} ${errarray[$i]} >> $out
done

cat << EOF > ${out}.plt
set term eps
set output "$out.eps"
set log x
set xlabel "Number of determinants"
set ylabel "Total Energy (a.u.)"

plot "$out" w lp title "E_{var}", "$out" u 1:3:4 w errorlines title "E_{var} + PT2"

EOF

gnuplot ${out}.plt