[expert] Change HD speed depending on HD temperature and system load

[Olaf Marzocchi]

I noticed hdparm is able to change the acoustic management value of HD (-Y 
flag) and my HD (IBM 60GXP 40 GB) is able to report it's temperature (I use 
hddtemp), so I decided it could be neat to have a script to set the HDspeed 
automatically, for example every 15 minutes.

Unfortunately, I have never wrote scripts that deal with strings and I'm 
not able to extract the value of temperature and system load.
hddtemp report this: "/dev/hda: IC350L40AVER07-0: 42�C"
and /proc/loadavg: 0.005 0.02 0.01 xxxxxx".

I'd like to extract the temperature ("42") and the third value of system 
load (if I remember correctly, the first refers to the first minute, the 
second to 5 minutes and the third 15 minutes).

I tried sed and gawk but without success.

THX
Olaf 


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