Re: Displaying an arbitrary file in _both_ HEX and ASCII

[Stefan Pietsch <stefan+debian@shellforce.org>]

On 2020-01-22 13:12, Richard Owlett wrote:
> I'm running Debian 9.8 with MATE desktop.
> I'm exploring a data file with the intention of eventually parsing it in 
> a useful fashion.
>
> Just downloaded ghex. I like the display format.
> Its tools are inconvenient.
>
> I need to:
>   1. Simultaneously display in _both_ HEX and ASCII format
>   2. Know the current offset in *DECIMAL* format.
>      {knowing the offset also in HEX might be nice}
>   3. Goto to an offset - expressed in DECIMAL.
>   4. Advance a specific number of bytes.
>   5. Search for an ASCII string.
>   6. Search for arbitrary sequence of bytes expressed as HEX.
>
> Suggested tool(s) in Debian repository?
> TIA

Did you have a look at radare2?

It is text-based and I suppose it has all of your requirements. See the 
user manual here:
https://radare.gitbooks.io/radare2book/content/first_steps/intro.html