reading a device on Linux

[lunar ridge]

opening it does not mount it

it just gives you a file handle you can use to read or write to the file/device

[hollow nest]

well I don't want to mount it but I'm not sure how to properly parse any data I read

[rough wraith]

you can just use standard read and write
as for how to interpret the control sequences: here

[hollow nest]

thanks for this. i found the spec for the filesystem that i'll be reading so this is considerably easier now that i know what im trying to read

[rough wraith]

filesystem?

oh

wait

I misread this sorry

I thought you wanted to open a tty 😅

anyway, yeah, this depends on the filesystem you want

in any case, I think read and write will work as well

just uh

make sure not to write anything or you might kill your drive

[hollow nest]

i've found it has firmware to protect me from that footgun

[rough wraith]

oh yeah permissions right?

[hollow nest]

nah the reader knows what's up

[rough wraith]

👀

wut

[hollow nest]

it is a disc reader

it can tell it is a DVD-R

[rough wraith]

oh this is a cd/dvd/bd?

[hollow nest]

yeah

[rough wraith]

this is a real can of worms

I have no clue how to do that

so

good luck lol

[minor kindle]

linux has ioctl for reading dvd. Do you still want to do it from scratch?