Ok. here is what makes my output file; 

#!usr/bin/perl
$k = 1;
$file_name = "QoEWeb_DB_Log.txt"; #An input LOG file which holds infor
+mation about different users. 
open(SW,$file_name) or die "ERROR OPENING IN FILE";

open FILE, ">output.txt" or die "ERROR..unable to write" ; #Will write
+ the result into an OUTPUT file. 
while (<SW>)
{
chomp($eachline);

    @file_name1 = ("Carlo_Arnold_2.232_Final.txt", "Sohaib_Ahmad_2.225
+_Final.txt"); #Input LOG files; Each file holds informaton about Indi
+vidual user. I will be adding about 30 files here. 
    
    
    @logarray = split(/:/,$_); # Taking required fields from the first
+ input file.
    $field1 = @logarray[2]; 
    $field2 = @logarray[4];    
    $key1 = @logarray[8];
    $field5 = @logarray[6];
    
    $x = scalar(@file_name1);
    for($j=0;$j<$x;$j++)
    {
     open(RW,@file_name1[$j]) or die "ERROR OPENING IN FILE";
     while (<RW>)
     {
     chomp($eachline);
         @ff_array = split(/:/,$_); #Taking required fields from the s
+econd set of input files. 
         $key2 =  @ff_array[0];
         $field3 = @ff_array[1];
         if( $key1 == $key2) # Finding a match between the two input f
+iles 
            {
               
               print  FILE "$field1:$field2:$key1:$field5:$field3"; #P
+rinting the desired result from both batch of input files. 
               
            }
      
             
        }
        



}
    


}
close FILE;    
close SW or die "Cannot close";
close RW or die "Cannot close";

[download]

Problem is
- i want the data in output file to be in sequence according to the field $field1
- let me assure you that all the $field1 is not of variabe length ... its between the range of 2.221 and ends at 2.252 ... which means that 2.XXX .. while the XXX changes.

- it would be so much better if these lines are in arranged manner in my OUTPUT file. any views ?

In reply to Re^2: a little problem with sorting my data by aash08
in thread a little problem with sorting my data by aash08

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