Change your code to:
my $filename = "rahul.abc";
    chomp $filename;  
    my @filenam = split ('\.', $filename);
     my $fi;
     my $fff=$filenam[0]."_header".".txt";
    print "\n:$fff:\n"

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More on string concatenation

In reply to Re: appending file name by Rahul6990
in thread appending file name by Anonymous Monk

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