☆ Yσɠƚԋσʂ ☆ to Programmer [email protected]English • 2 years agoNew File Formatlemmy.mlimagemessage-square86fedilinkarrow-up1676
arrow-up1676imageNew File Formatlemmy.ml☆ Yσɠƚԋσʂ ☆ to Programmer [email protected]English • 2 years agomessage-square86fedilink
minus-square@[email protected]linkfedilinkEnglish3•2 years agoLinux mostly doesn’t use file extensions… It relies on “magic bytes” in the file. Same with the web in general - it relies purely on MIME type (e.g. text/html for HTML files) and doesn’t care about extensions at all.
minus-square@[email protected]linkfedilink1•2 years ago“Magic bytes”? We just called them headers, back in my day (even if sometimes they are at the end of the file)
minus-square@[email protected]linkfedilink4•2 years agoThe library that handles it is literally called “libmagic”. I’d guess the phrase “magic bytes” comes from the programming concept of a magic number?
minus-square@[email protected]linkfedilink2•2 years agoI did not know about that one! It makes sense though, because a lot of headers would start with, well yeah, “magic numbers”. Makes sense.
Linux mostly doesn’t use file extensions… It relies on “magic bytes” in the file.
Same with the web in general - it relies purely on MIME type (e.g.
text/htmlfor HTML files) and doesn’t care about extensions at all.“Magic bytes”? We just called them headers, back in my day (even if sometimes they are at the end of the file)
The library that handles it is literally called “libmagic”. I’d guess the phrase “magic bytes” comes from the programming concept of a magic number?
I did not know about that one! It makes sense though, because a lot of headers would start with, well yeah, “magic numbers”. Makes sense.