for ($s;
      ^^
      useless

[download]

Fix: 

    my $s = 0;
    for (; $s<=$s_no; $s++)

[download]

Better fix: 

    for (my $s=0; $s<=$s_no; $s++)

[download]

Even better fix: 

    for my $s (0..$s_no)

[download]

In reply to Re: Useless use of private variable by ikegami
in thread Useless use of private variable by Sun751

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