#!/bin/csh

foreach file (`\ls *particlesBCG`)

	set prefix = `echo $file | awk -FCLUSTER_ '{print $1}'`
	set prefix = {$prefix}CLUSTER_
	set number = `echo $file | awk -FCLUSTER_ '{print $2}' | awk -F.snap '{print substr($1, 2, length($1))}'`
	set suffix = `echo $file | awk -F.snap '{print $2}' | awk -F_particlesBCG '{print $1}'`
	set suffix = .snap{$suffix}\_starparticlesBCG

	set newfile = {$prefix}{$number}{$suffix}
	mv -f $file $newfile

end