use Tie::File;

foreach my $filename (grep { -f } @ARGV) {

    print "** Processing $filename\n";

    tie my @file, 'Tie::File', $filename
      or die "Unable to tie: $!\n";

    pop @file while $file[-1] eq q{};

    untie @file
        or die "Unable to untie: $!\n";

    print "** Done...\n\n";
}

[download]
You can specify multiple files as command line arguments.

In reply to Re: How to remove newline characters at the end of file by trizen
in thread How to remove newline characters at the end of file by ashokpj

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