Re: [dev] a suckless hex editor
Check ired. From the radare github repo
> On 13 Nov 2015, at 19:50, Matthew of Boswell <mordervomubel+suckless_AT_lockmail.us> wrote:
>
> On Fri, 13 Nov 2015 11:28:36 -0500
> Greg Reagle <greg.reagle_AT_umbc.edu> wrote:
>
>> What do you think?
>
> I personally wouldn't use it over hexer, but it's an interesting idea.
>
> Pros:
> - very minimal; great for embedded (assuming no dependence on vim)
>
> Cons:
> - can't edit the ascii values on the right; everything is parsed
> from the hex.
> - no syntax checking, since the editor sees it as plain text
> - can't edit very large files in-place; must parse/copy the entire file
>
>> I was afraid to overwrite the infile so I make the
>> user specify an outfile. Maybe if I did better error checking it would
>> be okay to overwrite?
>
> "xxd -r" doesn't do any syntax checking, according to the manpage. So,
> overwriting the file would be like playing with fire. However, how
> often do you hex edit a file without creating a backup first? Hex
> editing is an error-prone operation regardless of the tool. If
> outfile matches infile, consider moving/renaming the original file and
> making it the backup. Might have to watch for permissions/"mount -ro"
> errors, though.
>
> --
> Matt Boswell
>
Received on Fri Nov 13 2015 - 20:27:44 CET
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: Fri Nov 13 2015 - 20:36:08 CET