$ curl -s $URL | html2text -width 115 | sed "s/M$//;s/G$/*1024/" | awk '/.mp4/{size=$6;print"=> 6th field = "$6" size = "size >"/dev/stderr";total+=size}END{print total}'
=> 6th field = 428 size = 428
=> 6th field = 452 size = 452
=> 6th field = 391 size = 391
=> 6th field = 524 size = 524
=> 6th field = 894 size = 894
=> 6th field = 462 size = 462
=> 6th field = 388 size = 388
=> 6th field = 444 size = 444
=> 6th field = 705 size = 705
=> 6th field = 524 size = 524
=> 6th field = 453 size = 453
=> 6th field = 843 size = 843
=> 6th field = 609 size = 609
=> 6th field = 421 size = 421
=> 6th field = 189 size = 189
=> 6th field = 523 size = 523
=> 6th field = 209 size = 209
=> 6th field = 226 size = 226
=> 6th field = 609 size = 609
=> 6th field = 428 size = 428
=> 6th field = 224 size = 224
=> 6th field = 776 size = 776
=> 6th field = 441 size = 441
=> 6th field = 200 size = 200
=> 6th field = 776 size = 776
=> 6th field = 524 size = 524
=> 6th field = 732 size = 732
=> 6th field = 442 size = 442
=> 6th field = 225 size = 225
=> 6th field = 436 size = 436
=> 6th field = 459 size = 459
=> 6th field = 389 size = 389
=> 6th field = 217 size = 217
=> 6th field = 524 size = 524
=> 6th field = 689 size = 689
=> 6th field = 809 size = 809
=> 6th field = 776 size = 776
=> 6th field = 614 size = 614
=> 6th field = 871 size = 871
=> 6th field = 372 size = 372
=> 6th field = 657 size = 657
=> 6th field = 210 size = 210
=> 6th field = 521 size = 521
=> 6th field = 561 size = 561
=> 6th field = 694 size = 694
=> 6th field = 210 size = 210
=> 6th field = 250 size = 250
=> 6th field = 781 size = 781
=> 6th field = 419 size = 419
=> 6th field = 461 size = 461
=> 6th field = 458 size = 458
=> 6th field = 427 size = 427
=> 6th field = 426 size = 426
=> 6th field = 428 size = 428
=> 6th field = 621 size = 621
=> 6th field = 465 size = 465
=> 6th field = 438 size = 438
=> 6th field = 520 size = 520
=> 6th field = 813 size = 813
=> 6th field = 685 size = 685
=> 6th field = 235 size = 235
=> 6th field = 829 size = 829
=> 6th field = 525 size = 525
=> 6th field = 217 size = 217
=> 6th field = 449 size = 449
=> 6th field = 519 size = 519
=> 6th field = 472 size = 472
=> 6th field = 523 size = 523
=> 6th field = 521 size = 521
=> 6th field = 802 size = 802
=> 6th field = 528 size = 528
=> 6th field = 1.1*1024 size = 1.1*1024
=> 6th field = 412 size = 412
=> 6th field = 1.0*1024 size = 1.0*1024
=> 6th field = 789 size = 789
=> 6th field = 922 size = 922
=> 6th field = 1.1*1024 size = 1.1*1024
=> 6th field = 442 size = 442
=> 6th field = 613 size = 613
=> 6th field = 468 size = 468
=> 6th field = 423 size = 423
=> 6th field = 687 size = 687
=> 6th field = 404 size = 404
=> 6th field = 461 size = 461
=> 6th field = 686 size = 686
=> 6th field = 456 size = 456
=> 6th field = 1.1*1024 size = 1.1*1024
=> 6th field = 215 size = 215
=> 6th field = 450 size = 450
=> 6th field = 833 size = 833
=> 6th field = 396 size = 396
=> 6th field = 459 size = 459
=> 6th field = 223 size = 223
=> 6th field = 791 size = 791
=> 6th field = 440 size = 440
=> 6th field = 217 size = 217
=> 6th field = 464 size = 464
=> 6th field = 616 size = 616
=> 6th field = 685 size = 685
=> 6th field = 468 size = 468
=> 6th field = 681 size = 681
49588.3