Hex to Dec in an iRule

iRules are TCL at heart, so usually an operation that that is not met with the iRule functionality described on DevCentral can still be met using native TCL tools. In this case I think this is probably what you are looking for: http://wiki.tcl.tk/3242. The examples on that page may not be the most efficient, but it looks like they'll do what you are asking about.

 

 

 

This isn't too hard.

For the first format, you'll want to bundle both hex values into a single one (normalize them) and process it like you would the second format. For the second format, it's very simple:

set hex "0x01f4"
set decimal [expr $hex] 

or

 set hex "0x01f4"
scan $hex %x decimal

That would produce "500" as you want in $decimal.

Posted By Joel Moses on 02/07/2013 04:18 PM

This isn't too hard.

For the first format, you'll want to bundle both hex values into a single one (normalize them) and process it like you would the second format. For the second format, it's very simple:

set hex "0x01f4"

set decimal [expr $hex]

or

 set hex "0x01f4"

scan $hex %x decimal

That would produce "500" as you want in $decimal.

Joel - Thanks very much. Using expr method.

tcl to the rescue!

fergu5