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The bc command in Linux is a powerful tool for performing arbitrary precision calculations. It is often used in shell scripts for complex mathematical operations that require more precision than the basic shell arithmetic can provide1.
Basic Usage
The basic syntax for the bc command is:
bc [options] [file]You can use bc interactively by simply typing bc in the terminal, or you can pipe expressions to it for immediate evaluation. For example:
echo "2+3" | bcThis will output 5.
Options
Some common options for the bc command include:
-l: Load the standard math library, enabling advanced functions like sine (s()), cosine (c()), and natural logarithm (l()).
-i: Force interactive mode.
-q: Quiet mode, which prevents bc from printing the normal GNU bc welcome message.
-s: Process exactly the POSIX bc language, disabling certain GNU extensions2.
Arithmetic Operations
The bc command supports a variety of arithmetic operations, including:
bc command in Linux with examples - GeeksforGeeks
- Estimated Reading Time: 8 mins
- Arithmetic Operators. Examples: Input : $ echo "12+5" | bc Output : 17 Input : $ echo "10^2" | …
- Assignment Operators. The list of assignments operators supported are: var = value : …
- Increment Operators. There are 2 kinds of increment operators: ++var : Pre increment …
- Decrement Operators. There are 2 kinds of decrement operators: – – var : Pre decrement …
- Comparison or Relational Operators. Relational operators are used to compare 2 numbers. …
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The shell pipe operator (|) connects the standard output of one shell command to the standard input of another shell command. For example, you could send an expression to bc by using …
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The bc command in Linux is an arbitrary precision calculator language. It is used for performing mathematical operations in scripts or interactively from the command line. bc supports integer, …
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