function transfer --description 'Sube un arquivo a transfer.tr4ck.net'
    if [ $argv[1] ]
        wget -t 1 -qO - --method=PUT --body-file="$argv[1]" --header="Content-Type: (file -b --mime-type $argv[1])" https://transfer.tr4ck.net/(basename $argv[1])
    else
        echo 'uso: transfer ARQUIVO_A_TRANSFERIR'
    end
end