#!/bin/bash
COUNTER=1
NUMMAT=0;

while getopts f:n: name
do
	case $name in
	n) KOLIKATA=$OPTARG
	;;
	f) FILE=$OPTARG
	;;

	esac
done 

#LINES=`wc -l $FILE | cut -d ' ' -f 1`

echo "Vypisuji $KOLIKATA. matici:"

cat $FILE | ( while read line
do
	# zkoumani zda radek obsahuje jen jedno cislo a zda to neni prazdny radek
	if [ `echo $line | tr ' ' '\n' | wc -l` -eq 1 ] && [ $(($line+1)) -gt 1 ]; 
#	 && [ -n $line ]; 
	then
		ROWS=$line
		NUMMAT=`expr $NUMMAT + 1`
#DEBUG		echo "Prochazim $NUMMAT. matici."	
	fi				

	if [ $NUMMAT -eq $KOLIKATA ];
	then
		echo $line 
		COUNTER=`expr $COUNTER + 1`
	fi
done)