Semi-automated Update Script for Exodus.io

#/usr/bin/sh
cd download  # created beforehand
read -p "Input Exodus.io Download Link: " dn1
read -p "Confirm: " dn2
if [ "$dn1" !~= "https://downloads.exodus.io/releases/exodus-linux-x64-.*.zip" ]; then
    printf "Expencted https://downloads.exodus.io/releases/exodus-linux-x64-*.zip\nGot input %s\n" $dn1
    exit 1
fi
if [ $dn1 == $dn2 ]; then
    printf "Match (%s)\n" $dn1
else
    printf "Mismath\n%s\n%s\n" $dn1 $dn2
    exit 2
fi
echo "Downloading..."
wget "$dn1"
if [[ $? -eq 0 ]]; then
    echo "Success."
else
    echo "Download failed."
    exit 3
fi
echo "Unzipping"
unzip *.zip
if [[ $? -eq 0 ]]; then
    echo "Success."
    rm -f *.zip
else
    echo "Unzip failed."
    exit 4
fi
rm -rf ../Exodus-linux-x64
mv -fuv ./Exodus-linux-x64 ..