UNU-CKSUM(1)

💖 UNU-CKSUM(1) 💖

okay bestie, pull up a chair, because this is the unu-cksum page from the User Commands section of the manual and she is lowkey a whole vibe 🦋

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✨ NAME ✨

unu-cksum — compute 32-bit CRC of nrrd data (same as via cksum(1)) 🎀

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🌸 SYNOPSIS 🌸

unu cksum -en,--endian <end> [-pen,--printendian <bool>] <nin1 ...>

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💅 DESCRIPTION 💅

So what this does is compute the 32-bit CRC of nrrd data, and it's literally the same as doing it via cksum(1). No cap. 🔥

But here's the thing that makes her different from all the other commands: she does not produce a nrrd. Not even a little one. Instead, she only prints to standard out the CRC and byte counts for the input nrrd(s), and the whole goal is to emulate the formatting of cksum(1) output. It's giving "I'm cksum but make it nrrd" ✨

• Uses nrrdCRC32 💫

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👑 OPTIONS 👑

• -en <endian>, --endian <endian> — the endianness in which to compute the CRC. Say "little" for Intel and friends 🧚, and "big" for everyone else. Defaults to the endianness of this machine (she knows where she lives 💖).
• -pen <bool>, --printendian <bool> — whether or not to indicate, after the CRC value, the endianness with which the CRC was computed. Doing so clarifies that the CRC result depends on endianness and may remove confusion when you're comparing results on platforms of different endianness (bool); default: "false" 🙈
• <nin ...> — input nrrd(s) (1 or more strings) 🍓

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🌈 SEE ALSO 🌈

unu(1), cksum(1) 💜

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and that's the whole page bestie, you ate it, periodt 💅✨

this was the unu-cksum page, from May 2021, tagged UNU-CKSUM(1) in the User Commands section — go forth and checksum responsibly, ily 🫶