Hi. On Sun, 23 Feb 2014 11:45:26 +1100 David <[email protected]> wrote:
> whereas if you know that you do actually want the output file, it will > be quicker to > read it once and then checksum the file like this: > # dd if=/dev/cdrom bs=2048 count=23150592 conv=notrunc,noerror > cd.iso > # md5sum cd.iso You can read the device once, write the result to the file AND calculate the checksum at the same time: dd if=/dev/cdrom bs=2048 count=23150592 conv=notrunc,noerror | tee cd.iso | md5sum Reco -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
