BEGIN {
	IGNORECASE = 1;			# Ignore case in string comparisons.
	FS = ",";				# Initialize the field separator.
	OFS = ",";				# Initialize the output field separator.
	Skip = 1;				# Set to 1 or 2 if this is a csv file and we should skip the header line.
	TargetColumns = "-6-7-8-9-10-";
	Digits = 2;
}

FNR <= Skip				{ print $0; next }				# Ignore Skip number of the beginning records.

{
	for(I=1; I<=(NF-1); I++)
	{
		target="-"I"-";
		if (index(TargetColumns, target)!=0) {
			printf("%."Digits"f,", $I);
		}
		else {
			printf("%s,", $I);
		}
	}
	I=NF;
	target="-"I"-";
	if (index(TargetColumns, target)!=0) {
		printf("%."Digits"f", $I);
	}
	else {
		printf("%s", $I);
	}
	printf("\n");
}