Command Line Number Conversion

                                  

How To Convert Numbers to Decimal on the Command Line:
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to convert HEX to decimal:

echo "ibase=16; 38E" | bc

(where ibase is the number base, for HEX, 16 and the number following the ; is the number
 you wish to convert)

For Octal, change the ibase to 8, for Binary, change the ibase to 2.