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Is there a standard command that will format a simple value (size in bytes) as a human readable format (similar to the -h switch on du, ls, ...)?

eg.

echo 1852 | format       # should print 1.9K
echo 3145728000 | format # should print 3.0G
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1 Answer 1

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I think you are looking for the numfmt tool, which can covert raw strings to known math standards, e.g.

 echo 3145728000 | numfmt --to=iec
 3.0G

The tool is part of the GNU coreutils family.

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    numfmt isn’t a standard command. Sep 15, 2020 at 8:38
  • Agreed, will wait for a confirmation to see if OP doesn't have GNU coreutils
    – Inian
    Sep 15, 2020 at 8:40
  • Perfect, thanks! I was able to find numfmt on Arch/Ubuntu.
    – laktak
    Sep 15, 2020 at 8:49

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