Hidden Bug: 

if ($line =~ /Entering UPAuthModule::authenticate/ .. /Sending Invalid
+ credential/ )

[download]
omits the `$line =~` from the second half of the flip-flip operands. It should read: 
if ( ( $line =~ /Entering UPAuthModule::authenticate/ ) .. ( $line =~ 
+/Sending Invalid credential/ ) )

[download]

Subtle Bug: It is usually wrong to use printf() with variables imbedded in the template. From `perldoc -f printf`:

Don't fall into the trap of using a "printf" when a simple "print" would do. The "print" is more efficient and less error prone.
Either use print "Total is $total\n"; or printf "Total is %d\n", $total;.

Other than that, I think davorg++ has pointed out the major problem; you are only actually processing the last log file. Here is an example of refactored flow:

#!/usr/bin/perl
use strict;
use warnings;

my $usage = "usage: $0 <logDir> <logPrefix>";

die "$usage\n" if @ARGV != 2;
my ( $dir, $prefix ) = @ARGV;

die "Log dir '$dir' doesn't exist" unless -d $dir;

my $glob_path = "$dir/${prefix}*";
my @log_paths = glob $glob_path
  or die "No files found in '$glob_path'";

Total_Number_Of_Transactions( @log_paths );

sub Total_Number_Of_Transactions {
    die if not @_;
    my @log_files = @_;  

    my $Success_QnA_Count, $Success_ArcotID_Count, $Success_OTP_Count,
+ $Success_UP_Count ) = ( 0, 0, 0, 0 );
    my $Failure_QnA_Count, $Failure_ArcotID_Count, $Failure_OTP_Count,
+ $Failure_UP_Count ) = ( 0, 0, 0, 0 );
    
    my $total_filename = 'total_transactions';

    for my $log_file (@log_files)  { 
        open my $log, '<', $log_file
          or die "Can't open '$log_file' for reading."; 
        while( <$log> ) { 
            s{\s+\z}{};
            do { $Success_ArcotID_Count++; next } if /ArcotID\s*Auth\s
+*SUCCESS/;
            do { $Failure_ArcotID_Count++; next } if /Auth failed/;
            do { $Success_QnA_Count++    ; next } if /QNA Auth - Succe
+ss/;
            do { $Failure_QnA_Count++    ; next } if /Message: QNA Aut
+h Failed/;
            do { $Success_OTP_Count++    ; next } if /OTP SUCCESS/;
            do { $Failure_OTP_Count++    ; next } if /Message: OTP FAI
+LED/;
            do { $Success_UP_Count++     ; next } if /UPAuth SUCCESS/;
            do { $Failure_UP_Count++     ; next } if /UPAuth FAILED/;
        }
    
        close $log
          or warn;
    }

    open my $total_fh, '>', $total_filename
      or die "Cannot create file '$total_filename' for writing";
    printf  $total_fh "%7d Total count for ApricotID\n"     , $Success
+_ArcotID_Count + $Failure_ArcotID_Count;
    printf  $total_fh "%7d Total count for QnA\n"           , $Success
+_QnA_Count     + $Failure_QnA_Count;    
    printf  $total_fh "%7d Total count for OTP\n"           , $Success
+_OTP_Count     + $Failure_OTP_Count;    
    printf  $total_fh "%7d Total count for User Password \n", $Success
+_UP_Count      + $Failure_UP_Count;     
    close   $total_fh
      or warn;

}

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In reply to Re: problem in output by Util
in thread problem in output by namishtiwari

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