dd with progress bar and statistics to gzipped image

export BLOCKSIZE='sudo blockdev --getsize64 /dev/sdc' && sudo dd if=/dev/sdc bs=1MB | pv -s $BLOCKSIZE | gzip -9 > USB_SD_BACKUP.img.gz
This is a useful command to backup an sd card with relative total size for piping to pv with a progressbar

2
By: hur1can3
2013-02-05 18:10:25

6 Alternatives + Submit Alt

What Others Think

A quick improvement could be using "pigz" to compress the img using all the processors. export BLOCKSIZE='sudo blockdev --getsize64 /dev/sdc' && sudo dd if=/dev/sdc bs=1MB | pv -s $BLOCKSIZE | pigz -9 -c > USB_SD_BACKUP.img.gz
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rahimhh21 · 5 weeks ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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