#!/usr/bin/perl -w

# tested A LITTLE

my ($file, $low, $hi) = @ARGV;

open ($file, "<$file") or die "open of '$file' failed: $!";

chomp(@vals = <$file>);

print "@vals\n";

@inrange = sort { $a <=> $b } (@vals);

$inmin = $inrange[0];
$inmax = $inrange[-1];

$delta = ( $hi - $low )/($inmax - $inmin);

@normal = map { $delta * ( $_ - $inmin)  + $low } @vals;

print "@normal\n";

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--Bob Niederman, http://bob-n.com

In reply to Re: number normalization by bobn
in thread number normalization by Anonymous Monk

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