F001            1.2
F101            3.2
solvent1      0
solvent2     3

F001            2.2
F101            7.2
solvent1      5
solvent2     0

##</code><code>##

solvent1_F001 => 1.2
solvent1_F101 => 3.2
solvent2_F001 => 2.2
solvent2_F101 => 7.2

##</code><code>##


my @temp;
my @face_ac;
my $size;
my %solvent_face;

open(my $fh,'<', $file) || die "Can not open file: $!";

while (my $row = <$fh>) {
  chomp $row;

if ($row=~/\d+ F/) {
    @temp=split(' ',$row);
    push @face_ac, @temp;

  }

  if ($row=~/\d+ [a-z]/) {
    @temp=split(' ',$row);
    if ($temp[2]==0) {
      $size=@face_ac

        for (my $i = 1; $i < $size+1; $i++) {

          $solvent_face{$temp[1]."_".$face_ac[???]}=$face_ac[???];

        }
       print "@temp\n";
    }

  }

}
close $fh;


##</code><code>##

 
 Property  job 1 : Activity coefficients ln(gamma) ; 
 Settings  job 1 : T= 298.15 K ; x(6)= 1.0000 ;  
 Units     job 1 : Concentrations x : mole fraction ; 
  
  Nr Compound                                 ln(gamma) 
   1 F002                                    4.66656083 
   2 F011                                   26.13597035 
   3 F101                                   32.47411476 
   4 F11-1                                  29.58963453 
   5 F111                                   30.24092207 
   6 h2o                                     0.00000000 
   7 acetonitrile                            2.14102090 
   8 chlorobenzene                           8.72282917 
   9 chcl3                                   6.98143674 
  10 cyclohexane                            10.20251798 
  11 1,2-dichloroethane                      6.32324557 
  12 ch2cl2                                  5.50767091 
  13 1,2-dimethoxyethane                     2.56706253 
  14 n,n-dimethylacetamide                  -1.64673734 
 
 Property  job 2 : Activity coefficients ln(gamma) ; 
 Settings  job 2 : T= 298.15 K ; x(7)= 1.0000 ;  
 Units     job 2 : Concentrations x : mole fraction ; 
  
  Nr Compound                                 ln(gamma) 
   1 F002                                    1.69945785 
   2 F011                                    0.74578421 
   3 F101                                    2.67268035 
   4 F11-1                                   1.64808218 
   5 F111                                    1.95840198 
   6 h2o                                     2.08530828 
   7 acetonitrile                            0.00000000 
   8 chlorobenzene                           1.08379112 
   9 chcl3                                   0.46576330 
  10 cyclohexane                             3.71606919 
  11 1,2-dichloroethane                     -0.02354847 
  12 ch2cl2                                 -0.23798262 
  13 1,2-dimethoxyethane                     1.22044280 
  14 n,n-dimethylacetamide                   0.44524110