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I'm looking for an easy way in Bash to convert a decimal number into a binary number. I have variables that need to be converted:
$ip1 $ip2 $ip3 $ip4 Is there a simple method to do this without looking at every individual number?
I would prefer not to have to write a lot of code.
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To convert a number from binary to decimal using the positional notation method, we multiply each digit of the binary number with its base, (which is 2), raised to the power based on its position in the binary number.
Steps To Convert From Base 10 to Base 2-Divide the given number (in base 10) with 2 until the result finally left is less than 2. Traverse the remainders from bottom to top to get the required number in base 2.
An easy method of converting decimal to binary number equivalents is to write down the decimal number and to continually divide-by-2 (two) to give a result and a remainder of either a “1” or a “0” until the final result equals zero.
You can use bc as:
echo "obase=2;$ip1" | bc See it
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