Toggles proxy in kde5 assuming that proxy settings are set up.

proxy-toggle.sh

#!/bin/bash

# Get the current proxy type
current_proxy_type=$(kreadconfig5 --file kioslaverc --group "Proxy Settings" --key ProxyType)

if [ $? -ne 0 ]; then
    echo "Failed to execute kreadconfig5"
    exit 1
fi

# Toggle the proxy type
toggled_proxy_type=$((current_proxy_type == 1 ? 0 : 1))

# Update the proxy type
kwriteconfig5 --file kioslaverc --group "Proxy Settings" --key ProxyType "$toggled_proxy_type"

if [ $? -ne 0 ]; then
    echo "kwriteconfig5 error"
    exit 1
fi

echo "$toggled_proxy_type"

sudo sh -c "curl -sS https://gist.githubusercontent.com/Shifu462/84c8bc791f9db5de379857953410500d/raw/proxy-toggle.sh > /usr/bin/proxy-toggle"
chmod +x /usr/bin/proxy-toggle

# usage
proxy-toggle