Download additional Libretro Shaders

download-shaders.sh

#!/bin/env bash

# Required non standard packages:
#   lynx megatools

for option in "${@}"
do
    if [[ "${option}" == "-q" ]]
    then
        quiet=1
    else
        quiet=0
    fi
done

declare -a urls=(
    'https://forums.libretro.com/t/sonkun-s-crt-guest-advanced-hd-slot-mask-presets-thread/39091'
    'https://forums.libretro.com/t/new-crt-shader-from-guest-crt-guest-advanced-updates/25444'
)

for url in "${urls[@]}"
do
    # mediafire.com by sonkun
    link=$(lynx -dump -listonly "${url}" \
        | grep -oE "https://www.mediafire.com/.+$")
    file=$(lynx -dump -listonly "${link}" \
        | grep -oE "https://download.+.mediafire.com/.+$")
    if [[ "${quiet}" -eq 1 ]]
    then
        curl --silent --remote-name "${file}"
    else
        curl --remote-name "${file}"
    fi

    # mega.nz by guest
    # First link is official release, second link is newest version.
    link_number='2'
    link=$(lynx -dump -listonly "${url}" \
        | grep -oE "https://mega.nz/.+$" \
        | sed -n "${link_number}p" \
        | sed 's+#+!+g' \
        | sed 's+/file/+/#!+g')
    if [[ "${quiet}" -eq 1 ]]
    then
        megatools dl --no-progress "${link}" 2>/dev/null
    else
        megatools dl "${link}"
    fi
done