#!/usr/bin/env bash

##Helper Functions

urlencodespecial() {
	# urlencode <string>
	old_lc_collate=$LC_COLLATE
	LC_COLLATE=C
	local length="${#1}"
	for (( i = 0; i < length; i++ )); do
		local c="${1:i:1}"
		case $c in
			[a-zA-Z0-9.~_-]) printf "$c" ;;
			*) printf '%%%02X' "'$c" ;;
		esac
	done
	LC_COLLATE=$old_lc_collate
}

urlencodeall() {
	# urlencode <string>
	old_lc_collate=$LC_COLLATE
	LC_COLLATE=C
	local length="${#1}"
	for (( i = 0; i < length; i++ )); do
		local c="${1:i:1}"
		printf '%%%02X' "'$c"
	done
	LC_COLLATE=$old_lc_collate
}


string="$1"
if [ -z "$string" ]; then
	string="$(cat)"
fi

# Base 64
echo -en "Base64\t"
echo "$string" | base64 --wrap=0
echo ""

#URL
echo -en "URL\t"
urlencodespecial "$string"
echo ""

#URL All
echo -en "URL All\t"
urlencodeall "$string"
echo ""

#Hex Encode
echo -en "Hex\t"
hex=$( echo -n "$string" | xxd -ps | sed 's/\([A-Fa-f0-9][A-Fa-f0-9]\)/\1 /g' | sed 's/ $//')
echo "$hex"

#Hex Encode With 0x
echo -en "Hex\t"
echo -n "0x$hex" | sed -e 's/ / 0x/g'
echo

#Decimal
echo -en "Decimal\t"
#for i in $(echo -n "$hex" ); do
for i in $hex; do
	echo "ibase=16;$i" | bc
	echo
done | tr '\n' ' '
echo

#Octal
echo -en "Octal\t"
for i in $hex; do
	echo "ibase=16;obase=8;$i" | bc
done | tr '\n' ' '
echo

#Binary
echo -en "Binary\t"
for i in $hex; do
	echo "ibase=16;obase=2;$i" | bc | awk '{printf "%08d", $1}'
	echo
done | tr '\n' ' '
echo



