I am able to read the variables from excel and print them in the above program but I want to read these variables(from Variables to read from Excel sheet :) value from Input data (from My input data to search from:) and put them back into excel sheet which I am not able to do. can some one pls help on the same ? 
Variables to read from Excel sheet :

isim =
usim =
sim_invalid =
pcscf_discovery_flag
signaling_flag
ran_type
emergency_ind
rat
pcscf_v4
pcscf_v6
plmn
is_ems_support
ipv4
ipv6

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My input data to search from:

8077  8116 D type hexa usim = 1, isim = 1
8077  8116 D type hexa usim = 1, isim = 1
pcscf_v4 : num = 2, protocol_type = 0x21, port_num = 0, addr = 10.56.5
+.85
8088 1223 D temp sim_invalid = 0
8099 1223 XX is_ems_support =   1 #88
8099 1224 XX pdn_act_ind->pcscf_discovery_flag  =  1
ind->signaling_flag            =  1
some text here plmn = 405872
DefaultStatusBarPlmnPlugin: into updateCarrierLabel
ipv6 = 36.5.2.4.25.143.200.141.0.0.0.0.32.20.232.161
get_ipv6_prefix,temp
ipv4 = 10.167.185.101
_send_ipv4_notify

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MY program: 
#use strict;
#use 5.010;
use Spreadsheet::Read qw(ReadData);
my $book = ReadData ('UE_NW_Parameters.xlsx');
#my @files = grep { -f } (<*.txt>,<*main_log>,<*Project>,<*properties>
+);    
my @files = grep { -f } (<*main_log>);    
my @rows = Spreadsheet::Read::rows($book->[1]);
foreach my $i (1 .. scalar @rows) {
    foreach my $j (1 .. scalar @{$rows[$i-1]}) {
        my $temp = "\n$rows[$i-1][$j-1]";
        my @keywords = "$temp";
        print @keywords;
        }
    foreach my $file (@files){
        open(my $fh, '<', $file) or die $!;
        my @content = <$fh>;
        close($fh);
        my $l = 0;
        
        foreach my $kw (@keywords)
            {
                foreach (@content){
                    $l++;
                    my $search = $kw;
                    if ($search =~ /(\ d+)/)
                    {
                        printf 'Found keyword %s in file %s, line %d:%
+s'.$/, $search, $file, $l, $_;
                        last;
                    }
                    }
            }        
        }
            
}

[download]

In reply to How to read the value of a variable (read from a Excel file converted Into text file) and put then back into Excel column by rockyurock

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