#!/bin/sh

# Shave and a Haircut
# (c) 2019 Epic Games
# US Patent 6720962

#
#  Prints the two-digit tag used to name the build products for the given
#  version of V-Ray.
#
#  For example, V-Ray 4.00.00 and 4.20.10 are compatible and will thus both
#  generate '40' tagged build products.
#  
if [ "$1" == "" ]; then
    echo "Usage: $0 <vrayVersion>" >&2
    exit 1
fi

fullVersion=$1

if [ "${fullVersion/.*/}" == "4" ]; then
    tag="40"
elif [ "${fullVersion/%?.??/}" == "3.6" ]; then
    tag="36"
else
    tag=""
fi

echo ${tag}