#! /bin/csh
#
# sort_ext ext_file percentile output_file
#
# sorts the extension file (specified by -e on modelfree command line)
# after increasing SSE (2nd column). 
# prints the SSE(percentile) to standard output.
#
# uses the heapsort algorithm, see:
# Aho et al. (1988) "The awk Programming Language", Addison-Wesley, p. 165 ff.
# 

/bin/rm dummy 

nawk ' \
{ \
if(NF==5) { \
	printf("%5d %15.8f %10.3f %10.3f %10.3f\n", $1, $2, $3, $4, $5) \
	} \
if(NF==4) { \
	printf("%5d %15.8f %10.3f %10.3f\n", $1, $2, $3, $4) \
	} \
if(NF==3) { \
	printf("%5d %15.8f %10.3f \n", $1, $2, $3) \
	} \
}' $1 > dummy

sort -n +1 dummy > $3

get_percentile $3 $2