Multiply two numbers in bash
Web9 iul. 2015 · 1 Answer Sorted by: 4 You have 3 opening left parentheses, but only 2 closing right ones. z=$ (echo " ($p)* ($h)+2" bc -l) In fact, you don't need any parentheses: z=$ (echo "$p*$h+2" bc -l) Share Improve this answer Follow answered Jul 8, 2015 at 21:04 choroba 9,093 1 27 40 *4 opening and 3 closing – olfek Jul 9, 2015 at 9:34 Add a comment Web27 mai 2024 · You can multiply as many numbers as you like using the expr and \* operator. The syntax of the command is as follows. expr number1 \* number2 \* number3 Suppose you want to multiply 5, 10, and 15. Execute the following on your terminal. expr 5 \* 10 \* 15 You cannot use * for multiplication here. It is used for some other purpose.
Multiply two numbers in bash
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Web19 nov. 2024 · A more elegant solution is to use bc for calculations. Whilst bc can also be used for the same calculations as already possible in Bash: $ echo '13 / 4' bc 3. It is also able to produce decimal based outcomes using the -l ( -l defines the standard math library) option to bc: $ echo '13 / 4' bc -l 3.25000000000000000000. Web9 iul. 2015 · 1 Answer Sorted by: 4 You have 3 opening left parentheses, but only 2 closing right ones. z=$ (echo " ($p)* ($h)+2" bc -l) In fact, you don't need any parentheses: z=$ …
Web28 mai 2024 · Calculating the sum of two integers (Numbers) in a shell script is pretty simple as in other programming languages. Bash shell provides a command-line utility called expr to evaluate expressions. The latest version of the Bash shell also includes the functionality to evaluate expressions directly with the shell. Advertisement In this tutorial, … Web1. initialize two variables 2. multiply two numbers directly using $ (...) or by using external program expr 3. Echo the final result. Multiplication of two numbers without using expr …
Webp=0.1 k=2 while [ $p \< 1 ] do echo $p p=$ (echo "scale=2; $p*$k" bc) done i have this result 0.1 .2 .4 .8 What can i do to have 0.1, 0.2, 0.4 and 0.8 ? bash dash-shell Share … Web19 feb. 2016 · Bash operated with whole numbers, so you'll have to use additional tools e.g. bc or awk: awk -v sec=$sec 'BEGIN {print sec / 3600 " is the amount of hours"}' – Costas Feb 19, 2016 at 7:30 Is there a way shorter way, if I use bc? I tried doing bc -l but all I get is " (standard_in) 1: parse error – shawn edward Feb 19, 2016 at 7:36
WebWhich command is used to multiply two number? Program to Multiply Two Numbers. product = a * b; Finally, product is displayed on the screen using printf() . How do you multiply in bash? The Bash shell has a large list of supported arithmetic operators to do math calculations. … What are the Bash Arithmetic Operators?
WebThe addition of two variables “a” and “b” is 6, subtraction is 2, multiplication is 8, and division is “2”. Example 2: Check if the Number is Even or Odd Using “(())” Expression. … tap flight 262Web24 ian. 2024 · The most important line in the addition.sh script is: total=$ ( ($fs1 + $fs2)) Where you used the + operator to add the two numbers $fs1 and $fs2. Notice also that to evaluate any arithmetic expression you have to enclose between double parenthesis as follows: $ ( (arithmetic-expression)) You can also use the minus operator (-) to for … tap flight 243Web21 apr. 2024 · We use the `dc` calculator by placing the two operands on the stack and adding the two top of stack elements. And prior to adding, we place a string `sum=` on the stack, and immediately print it which as a side effect also removes it from the stack. The precision of the results is set to 2. Share Improve this answer Follow tap flight checker