On 09.02.2018 16:36, Gene Heskett wrote:

> Trying to scan thru an 8Gb file dd has made of an sd card, I find 
> khexedits lack of a scroll bar to be a huge hindrance.
> Do we have one of those critters that will let me scan thru a file that 
> big looking for data besides 00 00, and will do it yet this year?
> Story so far:
> 64 gb card from a working rock64. Edited 60-persistent-storage.rule to 
> exclude /dev/sdd so gparted could shrink the last partition down to a 
> usable size, but still above the occupied area.
> Used dd to make a file of the first 8Gb, wrote that 8Gb to another 
> identical 64Gb card. gparted says its a blank card. So I want to inspect 
> the file, but khexedit, with no scroll bar, makes that down arrow scan a 
> multiyear project.
> Do we have a better hex editor?

If you like the command line try radare2:



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