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	Submitted by: lvo
coolcommand bc - how to do calculations in a script
Description To do basic arithmetic in a script, you can use the expr command or the bc command. Here is how you can set a variable in a script: x=$(printf "%s\n" 'scale = 10; 104348/33215' \| bc) If your values to calculate are in variables, here is how to do it: In=`echo "scale = 2\\n((8$InOctets)/($Speed100))*$5" \| bc` Note: the scale sets the precision of the answer (number of digits after the decimal point)
Example x=$(printf "%s\n" 'scale = 10; 104348/33215' \| bc)

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