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[REBOL] Best way to remove the last character from a string?

From: pwawood:mango:my at: 14-Dec-2004 20:24

I've worked out two ways to chop-off the last character of a string. Method One
>> mystring: "123456"
== "123456"
>> mystring: head remove back tail mystring
== "12345" Method Two
>> mystring: "123456"
== "123456"
>> mystring: copy/part mystring ((length? mystring) - 1)
== "12345" Can anyone suggest a less verbose, clearer and quicker way for me? Thanks Peter