Date: Tue, 9 Feb 2010 21:08:22 +0000 From: Andrew Brampton <brampton+freebsd@gmail.com> To: freebsd-hackers@freebsd.org Subject: sysctl with regex? Message-ID: <d41814901002091308s7e894b55p880bde165bbbe703@mail.gmail.com>
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Today I was writing a script to read all the dev.cpu.?.temperature sysctl OIDs. I was parsing them using a simple grep, but it occurred to me it might be better if sysctl supported some form of regexp. For example instead of typing: sysctl -a | grep dev.cpu.*.temperature I could write: sysctl dev.cpu.*.temperature which would display all the OIDs that match dev.cpu.*.temperature. This is better than grep because when I issue a "sysctl -a" the program retrieves many variables that I am not interested in (which later get filtered by grep). This would in a way be similar to: sysctl dev.cpu which lists all the OIDs under dev.cpu. Is this a feature people would find useful? Or would I be optimising a problem that doesn't exist? Thanks for any input Andrew
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