#!/bin/sh

if [ $# -lt 1 ] ; then
  echo "Usage: $0 <filename>" ;
  exit 1 ;
fi

min=`fslstats $1 -R | awk '{ print $1 }'`
max=`fslstats $1 -R | awk '{ print $2 }'`

scaling=`echo "scale=5; 255.0 / ( $max - $min )" | bc`

fslmaths_32R $1 -sub $min -mul $scaling ${1}_scaled
fslmaths_8UI ${1}_scaled ${1}_int_scaled