#!/bin/csh

# Iterate the string array using for loop
foreach i ("t41u60_p2.dat" "t41u60_p4.dat" )
	awk ' {print $2, $1} ' < $i > ${i:r}.1+2.dat 
	./filter ${i:r}.1+2.dat filtered_${i:r}.1+2.dat
	sort -n filtered_${i:r}.1+2.dat > ttt$$
	mv ttt$$ filtered_${i:r}.1+2.dat
	rm ${i:r}.1+2.dat
	awk ' {print $3, $1} ' < $i > ${i:r}.1+3.dat 
	./filter ${i:r}.1+3.dat filtered_${i:r}.1+3.dat
	sort -n filtered_${i:r}.1+3.dat > ttt$$
	mv ttt$$ filtered_${i:r}.1+3.dat
	rm ${i:r}.1+3.dat
	awk ' {print $2, $3} ' < $i > ${i:r}.2+3.dat 
	./filter ${i:r}.2+3.dat filtered_${i:r}.2+3.dat
	sort -n filtered_${i:r}.2+3.dat > ttt$$
	mv ttt$$ filtered_${i:r}.2+3.dat
	rm ${i:r}.2+3.dat
end