Uploads files passed it to personal Imgur account. Also auto converts webp and webm files to png and gif.

Imgur.sh

#!/bin/bash
refresh_token="<insert_refresh_token_here>"
client_id="<insert_client_id_here>"
client_secret="<insert_client_secret_here>"

#Check to make sure any files where passed in.
if [ $# -eq 0 ]; then
	echo "No file specified" >&2
	exit 16
fi

# Read file storing last acess token 
read token < $HOME/.imgtoken.txt

check_token(){
    # Check is access toke has expired, if so refresh it and update file storing token.
    error=$(curl -s -X POST -H "Authorization: Bearer $token" https://api.imgur.com/3/image.xml)
	if [ $(echo $error | grep -c "The access token provided is invalid") -gt 0 ]; then
	    retoken=$(curl -s --data "refresh_token=$refresh_token&client_id=$client_id&client_secret=$client_secret&grant_type=refresh_token" https://api.imgur.com/oauth2/token)
	    token=$(echo $retoken | jq -r ".access_token") 
	    echo "Refreshed token"
	    echo $token > .imgtoken.txt
    fi
}

check_file(){
    # Check file exists
	if [ ! -f "$file" ]; then
		echo "File '$file' doesn't exist; skipping" >&2
		continue
	fi
}

check_ext(){
    # Check if image is a webp file, if so convert to png. 
    # Imgur does not support webp as of writing.
    if [[ $file =~ \.webp$ ]]; then
        echo "Converting file"
        mogrify -format png $file
        file="${file/webp/png}"
    fi
    
    # Check if image is a webm file, if so convert to gif. 
    # Imgur does not support webm as of writing.
    if [[ $file =~ \.webm$ ]]; then
        echo "Converting file"
        ffmpeg -i $file ${file/webm/gif}
        file="${file/webm/gif}"
    fi
} 

upload_image(){
    # Upload the file, print url and set url to clip board
    echo "Uploading file"
	respone=$(curl -X POST -H "Authorization: Bearer $token" -F "image=@$file" https://api.imgur.com/3/image.xml)
	url=$(echo $respone | sed -n -e 's/.*<link>\(.*\)<\/link>.*/\1/p')
	echo $url
	echo $url | xclip -sel clip
}

upload(){
    # Combine all functions in order
    check_file
    check_ext
    check_token
    upload_image
}

# Iterate over every file pass in and upload them all.
while [ $# -gt 0 ]; do
	file="$1"
	shift
	upload
done