On 14/12/16 12:29, Fabian Groffen wrote: > On 14-12-2016 13:01:16 -0500, Doug Freed wrote: >> On Wed, Dec 14, 2016 at 12:48 PM, Nathan Zachary >> <nathanzach...@gentoo.org> wrote: >>> On 14/12/16 10:11, Doug Freed wrote: >>>>> I somehow doubt that would give me the expected number only, and I lack >>>>> a BSD install handy to test it. >>>> $(sysctl -n hw.ncpu) >>>> >>> I don't know that the sysctl command works universally: >>> >>> # sysctl -n hw.ncpu >>> sysctl: cannot stat /proc/sys/hw/ncpu: No such file or directory >>> >> It's BSD-specific (Darwin may have it too, but I'm not in OS X at the >> moment, so I can't check), which pretty much describes this branch in >> the codepath as well. Linux users will have the nproc command from >> coreutils. > Yes, Darwin has it too, but the tool lives in /usr/sbin instead: > > https://gitweb.gentoo.org/repo/proj/prefix.git/tree/scripts/bootstrap-prefix.sh#n1987 > > Fabian > > Ah, yes, I missed the part about it being BSD-specific.
This one-liner certainly isn't as graceful or elegant, but it works: # cat /proc/cpuinfo | grep 'processor' | wc -l
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