convert hexadecimal number to decimal whith shell script

Question

I need to convert a number from hexadecimal form to decimal form using shell script

for example :

convert()
{
    ...
    echo x=$decimal
}

result :

convert "0x148FA1"
x=1347489

How to do it?

Answer 1

You can convert in many different ways, all within bash, and relatively easy.

To convert a number from hexadecimal to decimal:

$ echo $((0x15a))
346

$ printf '%d\n' 0x15a
346

$ perl -e 'printf ("%d\n", 0x15a)'
346

$ echo 'ibase=16;obase=A;15A' | bc
346