You don't understand how sort works.

You should know that sort expects a list (an array) to sort. Not just one element. When you call a subroutine to "sort everything in $start_bit_no", you will sort a scalar, i.e. JUST ONE NUMBER (or string).

And you made a mistake in your assignments: 

$start_bit_no  = @column1[3]; #don't use this when you mean
$start_bit_no  = $column1[3]; #this

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I suggest that you show us the whole piece and not just some parts to let us guess the rest.

In reply to Re: Re: Re: Sorting numbers (not) by Skeeve
in thread Sorting numbers by Anonymous Monk

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