function check()
{
	if[$# != 4]then
		echo "Error, need 4 parameters"
	fi

arg1=$1
arg1="{print \$${arg1}}"
arg2="/etc/$2"
arg3="^$3"
arg4=$4
echo $arg1 $arg2 $arg3 $arg4
commandLine="awk -F':' $arg1 $arg2 |grep $arg3 > $arg4"
echo $commandLine
#awk -F":" $commandLine1 $commandeLine2 | grep $commandLine3 > $commandLine4
}