11 lines
167 B
Awk
11 lines
167 B
Awk
#!/usr/bin/awk -f
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# computes RMS of the 1st column of a data file
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{
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x = $1; # value of 1st column
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S += x*x;
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N++;
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}
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END {
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print "RMS: ",sqrt(S/N);
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}
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