Difference between revisions of "Quick Hacks"
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(Created page with '==What is this== These are primarily notes for myself. Things that I often need to do in computing. Instead of keeping them in a private location I list them here. Perhaps someon…') |
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Revision as of 12:53, 22 February 2011
What is this
These are primarily notes for myself. Things that I often need to do in computing. Instead of keeping them in a private location I list them here. Perhaps someone else will also find a use..
Awk script for accumulating time series data
#accum.awk
BEGIN{
ct=0
avg=0.0
}
{
if(++ct%intv==0){
print x,avg/ct
ct=0
avg=0.0
}else{
if(ct%intv==1){
x=$1
}
avg+=$2
}
}
Data:
01/01/1945-00:00 0.0
01/01/1945-01:00 0.0
01/01/1945-02:00 0.0
01/01/1945-03:00 0.0
...
Running:
awk -v intv=24 -f accum.awk cntr_hly_1.csv.dat