#!/usr/bin/nawk -f
#
# mls - GNU ls(1) "-h" option implementation for POSIX ls(1), just better
# 17 Sep 2001, Antoni Sawicki <tenox@tenox.tc>
#

BEGIN {
	LSCMD="/usr/bin/ls -l"

	while(LSCMD|getline) 
	if ($1 !~ /^total/) {
		if($5 >= 1024   && $5 < 1024^2 )      { size = $5/1024;   unit = "kb" }
		else if($5 >= 1024^2 && $5 < 1024^3 ) { size = $5/1024^2; unit = "Mb" }
		else if($5 >= 1024^3 && $5 < 1024^4 ) { size = $5/1024^3; unit = "Gb" }
		else if($5 >= 1024^4 && $5 < 1024^5 ) { size = $5/1024^4; unit = "Tb" }
		else { size = $5; unit = " b" }

		printf("%s%4d %s\t%s\t%6.1f %2s  %s/%.2d %5s  %s\n", $1, $2, $3, $4,\
	 	size, unit, $6, $7, $8, $9)
	}
	close(PSCMD)
}