rand

VERSION=10
NUM=0
LEN=0
MODE=0
LN=0
ALLOW=""
for Y in $@
do
	if [ $Y = "-n" ]
	then
		MODE=1
		ALLOW=$ALLOW"0-9"
	elif [ $Y = "-s" ]
	then
		MODE=5
		ALLOW=$ALLOW'!@#$%^&*()-_=+'
	elif [ $Y = "-l" ]
	then
		MODE=2
		ALLOW=$ALLOW"a-z"
	elif [ $Y = "-u" ]
	then
		MODE=3
		ALLOW=$ALLOW"A-Z"
	elif [ $Y = "-c" ]
	then
		ALLOW="0-9A-F"
		LEN=6
	elif [ $Y = "-X" ]
	then
		ALLOW='0-9A-Za-z!@#$%^&**()-_=+'
	elif [ $Y = "-S" ]
	then
		ALLOW='0-9A-Za-z'
	elif [ $Y = "-B" ]
	then
		ALLOW='01'
		LEN=8
	elif [ $Y = "-x" ]
	then
		ALLOW='0-9A-Fa-f!-.'
	elif [[ "$Y" =~ ^[0-9]+$ ]] && [[ LEN -eq 0 ]]
	then
		LEN=$Y
	elif [[ "$Y" =~ ^[0-9]+$ ]] && [[ LEN -gt 0 ]]
	then
		NUM=$Y
	elif [ $Y = "-b" ]
	then
		MODE=0
	elif [ $Y = "-N" ]
	then
		LN=1
	elif [ $Y = "-v" ]
	then
		echo $VERSION
    exit
  elif [ $Y = "-D" ]
  then
    echo $(curl -s "https://www.dinopass.com/password/simple")
    exit
	else
		echo "rand [arg] [length] [number]"
		echo "Arguements"
		echo -e "rand v$VERSION 2019-05-21\n-b\tbasic\n-X\tcomplex\n-x\treduced complex\n-n\tnumber\n-l\tlowercase\n-u\tuppercase\n-s\tsymbols\n-c\tcolor\n-D\tdinopass\n-B\tbinary\n-S\tSimple"
		exit
	fi
done
if [ $LEN -eq 0 ]
then
	LEN=10
fi
if [ $NUM -eq 0 ]
then
	NUM=1
fi
if [ x$ALLOW = "x" ]
then
	ALLOW="A-Za-z0-9"
fi
X=0
while [ $X -lt $NUM ]
do
	if [ $LN -eq 1 ]
	then
		printf "%0${#NUM}g: " "$(($X+1))"
	fi
	</dev/urandom tr -dc $ALLOW | head -c$LEN;echo  
	let "X++"
done