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Use awk to log transform


 
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# 1  
Old 09-13-2007
Use awk to log transform

Hello. I'm trying to use the awk command to convert certains fields to lgo base 2, not base 10.

I'm trying command lines like:

awk '$2 $5 $7 {print log(2)($2), log(2)($5), $7) filein.txt > fileout.txt

I'm trying to make a deadline.

Thanks for helping a newbie. Here's some fresh karma...
# 2  
Old 09-13-2007
this seems to work

If I use:
awk '{print log($2)/log(2)}'

this prints the value in log base 2. Had to look up some log transformations.
 

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