Re: [pcp] pmval does not print negative values (#67)

[Ken McDonell <notifications@xxxxxxxxxx>]

Temperature ... that's a blast from the past!
One of the first PMDAs I wrote as a proof of concept for data outside Unix kernel metrics (this was very early on) was the roomtemp PMDA that used a 1-wire Dallas digital thermometer connected via the COM port to my laptop.
At the time the only testing environment was the dodgy freezer of the refrigerator in the hotel room where I wrote the PMDA one evening, and it was barely able to get to 0, much less anything negative!

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