source:
de.wigbels.ruby/hothotread/archiv/lastupdate.rb@
dc12dfc
| Last change on this file since dc12dfc was 8cc14b9, checked in by , 9 years ago | |
|---|---|
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| File size: 256 bytes | |
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| 1 | def last_rrd_count |
| 2 | val = 0.0 |
| 3 | handle = IO.popen("rrdtool lastupdate power.rrd") |
| 4 | handle.each_line do |line| |
| 5 | m = line.match("^[0-9]*: ([0-9.]*) [0-9.]*") |
| 6 | if m |
| 7 | val = m[1].to_f |
| 8 | break |
| 9 | end |
| 10 | end |
| 11 | return val |
| 12 | end |
| 13 | |
| 14 | puts last_rrd_count |
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