Frequent question: What does BC command do in Linux?

bc command is used for command line calculator. It is similar to basic calculator by using which we can do basic mathematical calculations. Arithmetic operations are the most basic in any kind of programming language.

What does the bc command do?

The bc command allows you to specify an input and output base for operations in decimal, octal, or hexadecimal. The default is decimal. The command also has a scaling provision for decimal point notation. The bc command always uses the .

How do you write a bc command in Unix?

Overview. A typical interactive usage is typing the command bc on a Unix command prompt and entering a mathematical expression, such as (1 + 3) * 2 , whereupon 8 will be output. While bc can work with arbitrary precision, it actually defaults to zero digits after the decimal point, so the expression 2/3 yields 0 .

What is scale in bc command?

scale(expression) : The value of the scale function is the number of digits after the decimal point in the expression. ibase and obase define the conversion base for input and output numbers. The default for both input and output is base 10.

How do you use bc on a calculator?

To open bc in interactive mode, type the command bc on command prompt and simply start calculating your expressions. You should note that while bc can work with arbitrary precision, it actually defaults to zero digits after the decimal point, for example the expression 3/5 results to 0 as shown in the following output.

How do I download BC in Linux?

Detailed Instructions:

  1. Run update command to update package repositories and get latest package information.
  2. Run the install command with -y flag to quickly install the packages and dependencies. sudo apt-get install -y bc.
  3. Check the system logs to confirm that there are no related errors.

How do I exit BC in Linux?

4 Answers. You can do just echo quit | bc -q gpay > tgpay , which will act almost like entering “quit” from the keyboard. As another option, you may write bc < gpay > tgpay , which will pass the contents of gpay to stdin, running bc in non-interactive mode.

What is in bash script?

A Bash script is a text file containing a series of commands. Any command that can be executed in the terminal can be put into a Bash script. Any series of commands to be executed in the terminal can be written in a text file, in that order, as a Bash script.

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