Hexadecimal to decimal or vice versa with printf

From Brandonhutchinson.com

Revision as of 22:16, 16 October 2007 (edit) Hutch (Talk | contribs) m ← Previous diff		Current revision (17:02, 9 January 2008) (edit) (undo) Hutch (Talk | contribs)
Line 1:		Line 1:
-	* Hexadecimal to decimal:	+	* Decimal to hexadecimal:
	$ '''printf "%02X\n" ''decimal number'''''		$ '''printf "%02X\n" ''decimal number'''''
-	* Decimal to hexadecimal:	+	* Hexadecimal to decimal:
	$ '''printf "%d\n" ''hexadecimal number'''''		$ '''printf "%d\n" ''hexadecimal number'''''

---

Current revision

• Decimal to hexadecimal:

$ printf "%02X\n" decimal number

• Hexadecimal to decimal:

$ printf "%d\n" hexadecimal number

Examples

• Convert 1024 to hexadecimal.

$ printf "%02X\n" 1024
400

• Convert 0x400 to decimal.

$ printf "%d\n" 0x400
1024