To prevent the command processor from substituting whatever looks like a
variable, code SYSSCAN={0||1|2|3}, then issue the &NRSTR(), then reset
to SYSSCAN=16 (default.) SYSSCAN=n means substitute up to n &s.
SYSSCAN=0 means no & should be substituted.
To debug/trace, code CONTROL LIST SYMLIST CONLIST MSG before the 1st
SYSSCAN and CONTROL NOLIST NOSYMLIST NOCONLIST NOMSG after the 2nd SYSSCAN.
HTH
On 23/09/2021 02:28, Skip Robinson wrote:
> Before switching to Rexx long ago, I wrote prolifically in Clist. I got
> used to always writing '&NRSTR()' because the command processor would
> otherwise relentlessly substitute for anything that looked like a variable,
> often producing puzzling results.
>
> The original question referred to 'system symbolics'. There are standard
> ways to retrieve the value for a system symbolic, but merely using one like
> a variable will seldom work as expected.
>
> On Wed, Sep 22, 2021 at 1:17 PM Carmen Vitullo <cvitu...@hughes.net> wrote:
>
>> SET &NEWC=&SUBSTR(1:1,&CHARACTER)
>>
>> NEWCHAR=(ABC&NEWC)
>>
>> should work based on some working examples I have.
>>
>> I'd need to xfer from my work PC to home to send to you if you like
>>
>> Carmen
>>
>>
>> On 9/22/2021 3:12 PM, Bill Giannelli wrote:
>>> it is not liking the syntax of that first command....."invalid
>> expression"
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>> --
>> /I am not bound to win, but I am bound to be true. I am not bound to
>> succeed, but I am bound to live by the light that I have. I must stand
>> with anybody that stands right, and stand with him while he is right,
>> and part with him when he goes wrong. *Abraham Lincoln*/
>>
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