[macOS] Yota Mobile Access Small v1.0

#!/bin/sh
#by Lizard, from osxpc.ru team
#Yota Mobile Access.sh
#Version: "1.0 small"

#Value for you edit:
macttl=64  #macOS     (recovery default value)
iosttl=65  #iOS       (for Instant hotspot, Wi-Fi hotspot and USB connection)
andttl=65  #Android   (for Wi-Fi hotspot and USB connection)
wphttl=129 #Win Phone (for Wi-Fi hotspot)
#That's right. Dosen't change code below this comment.

reset
ttl0=$(sysctl net.inet.ip.ttl | cut -c 18-)
echo Yota Mobile Access v.1.0 small
echo
echo "TTL 0 = [$ttl0]"
echo
echo "Supported Platforms:"
echo 0 — macOS
echo 1 — iOS
echo 2 — Android
echo 3 — Win Phone
echo 4 — Custom TTL
echo 5 — Abort
echo
echo "Enter number platform: \c"
read platform
if [ $platform = '0' ]; then
    sudo sysctl net.inet.ip.ttl=$macttl | cut -c 26-
fi
if [ $platform = '1' ]; then
    sudo sysctl net.inet.ip.ttl=$iosttl | cut -c 26-
fi
if [ $platform = '2' ]; then
    sudo sysctl net.inet.ip.ttl=$andttl | cut -c 26-
fi
if [ $platform = '3' ]; then
    sudo sysctl net.inet.ip.ttl=$wphttl | cut -c 26-
fi
if [ $platform = '4' ]; then
    echo "Set TTL value = \c"
    read customttl
    sudo sysctl net.inet.ip.ttl=$customttl | cut -c 26-
fi
if [ $platform = '5' ]; then
    echo Aborting...
    echo "Close this session in 10 seconds..."
    sleep 10
    echo
    exit
fi
ttl1=$(sysctl net.inet.ip.ttl | cut -c 18-)
echo "TTL 1 = $ttl1"
echo "Close this session in 10 seconds..."
sleep 10
echo
exit