source:
de.wigbels.ruby/hothotread/archiv/lastupdate.rb@
f63674a
| Last change on this file since f63674a was 8cc14b9, checked in by , 9 years ago | |
|---|---|
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| File size: 256 bytes | |
| Rev | Line | |
|---|---|---|
| [c22952c] | 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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