WebDec 24, 2024 · Bash cannot perform floating point arithmetic natively. This is not what you're looking for but may help someone else: Alternatives bc bc allows floating point arithmetic, and can even convert whole numbers to … WebJan 4, 2024 · Bash: Performing floating arithmetic using bc January 4, 2024 Categories: Linux, Scripting This may come as a surprise, but Bash only supports integer arithmetic natively. If you need to perform calculations on floating point numbers, you will need to call out to a utility program like bc or Python.
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WebIn your original lines there are several issues: A factor of 1.1 is 10% increase, not 1% (should be a 1.01 multiplier). I'll use 10%. The conversion format from a string to a (floating) number is given by CONVFMT. Its default value is %.6g. That limits the values to 6 decimal digits (after the dot). WebOct 26, 2013 · Bash itself cannot support floating point numbers, but there is a program called bc that can do decimal arithmetic. ... not a big issue # example whole number division shown below, results in float answer: echo -n Enter number to divide:; read n echo -n to be divided by?:; read div mult=1 ;# to scale dividend, enabling higher precision … how to set up a razer mic
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WebAug 24, 2012 · echo "$float" awk ' {printf "%.2f", $1/1.18}' will perform the question's requested math to the requested percision of hundredths. That's as much "using bash" as the bc call in the question. – Adam Katz May 21, 2015 at 22:41 2 For Python you can just use something like python -c "print (round ($num))" where num=4.678923. WebJan 12, 2012 · 3 Answers Sorted by: 18 Try something like scale=2 From the man page: scale ( expression ) The value of the scale function is the number of digits after the decimal point in the expression. By default, the scale is 0, so no digits after the decimal are shown. Share Improve this answer Follow answered Jan 12, 2012 at 2:27 daxlerod 3,105 3 21 23 WebMar 4, 2024 · We will use the division operator, namely /, in all of these options. 2. Using the expr Command One command that we can use for the division is the expr … how to set up a reading room