setvar str2 !str1 - 1
setvar str3 "!str2"

The first setvar does the arithmetic (because the variable is dereferenced
with the exclamation point, it can be treated as a numeric).  The second
setvar converts the numeric result into a string.

-----Original Message-----
From: Arthur Frank [mailto:[log in to unmask]]
Sent: Monday, September 30, 2002 2:54 PM
To: [log in to unmask]
Subject: MPE/iX script question


Hello,

Okay, I'd swear this is easy.  I have a CI variable that is a numeric string
(like "2000") and I would like to set another CI variable to be a numeric
string that is one less ("1999").  How can I perform math on the first
variable?  Is there a simple way (that I'm just not remembering) to convert
a string variable to a number, then back again?

TIA,

Art Frank
Manager of Information Systems
OHSU Foundation
[log in to unmask]
(503) 220-8320

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