#!/bin/bash
# getfav - Get webpage favicon using 3rd party service https://icons.better-idea.org
# usage: getfav https://duckduckgo.com duck
# set -x

# checks critical
command -v wget >/dev/null 2>&1 || { >&2 echo "I need wget." ; exit 1; }
command -v mogrify >/dev/null 2>&1 || { >&2 echo "I need mogrify (imagemagick)." ; exit 1; }

# parameters
link="$1"                       # url
name="$2"                       # name

# static vars
size="48"                       # Desired minimum icon size (will end up exact with mogrify)
wheredir="$HOME/tmp/favicons"   # Where to store those icons

# action
wget "https://icons.better-idea.org/icon?url=$link&formats=png&size=$size" -O "$wheredir/$name.png" >/dev/null 2>&1 \
&& mogrify -resize "$size"x"$size" "$wheredir/$name.png" \
&& echo "$wheredir/$name.png"