max

#! /usr/bin/awk -f 
BEGIN{
	if (ARGC>2)
	{
		print "#WARING: Average over multiple files!!";
	}
	if (ARGV[1]=="")
	{
		print "#FILE: STDIN";
	}
	else
	{
		print "#FILE:",ARGV[1];
	}
	if (col=="")
	{
		col=1;
		print "#Setting column to",col,"(use option \"-v col=X\" to change)";
	}
	else
	{
		print "#Using column",col;
	}
	warn=0;
	c=0;
}

/^[@#]/{
	next;
}

{
	if (NF>=col)
	{
		c++;
		if (max == "")
		{
			max=$col;
		}
		if (max < $col)
		{
			max=$col;
		}
	}
	else
	{
		if (warn == 0)
		{
			print "# Not enough data in line",NR;
			warn++;
		}
	}
}

END{
	print "#Output type: max #values";
	print max,c;
}
#fs md5sum 18f878f18b579e2a6a1423f615e4abec