LZMAINFO(1)

✨ NAME ✨

okay bestie, this is the lzmainfo(1) page from XZ Utils 💖 and it's giving "peek inside your .lzma files" 🔍

lzmainfo shows information stored in the .lzma file header 🎀

🌸 SYNOPSIS 🌸

lzmainfo [--help] [--version] [file...]

💅 DESCRIPTION 💅

okay so lzmainfo reads the header of an .lzma file and tells you what's inside, no decompressing needed ✨ it grabs the first 13 bytes from the file you name, decodes that header, and prints the result to standard output in a human readable format 🧚 if you don't give it any files, or the file is -, it reads standard input instead 🫶

the most iconic bits are the uncompressed size and the dictionary size 👑 heads up though: the uncompressed size only shows up if the file is in the non-streamed .lzma format variant 🙈

also, the memory needed to decompress the file is a few dozen kilobytes plus the dictionary size 🦋

lzmainfo is included in XZ Utils mostly for backward compatibility with LZMA Utils 💜 it's giving "keeping the old crowd happy" energy 🥹

🍓 EXIT STATUS 🍓

• 0 — all is good, no cap ✨
• 1 — an error happened 💀

😭 BUGS 😭

ngl this one is a little messy: lzmainfo uses MB while the correct suffix would be MiB (2^20 bytes) 🙈 it does this on purpose to keep the output compatible with LZMA Utils, so it's not a glitch, just a vibe we're keeping 💖

🔗 SEE ALSO 🔗

• xz(1) — the main XZ Utils page, go check it out 🦋

Tukaani, 2013-06-30, LZMAINFO(1) 🌈 that's all, bestie, you're literally ready to peek inside those headers now 💅✨