So too does CTC REXX:
 
                     Availability of Built-in Functions

                      Function    SAA   COW   CMS   CTC
                     C2X           x     x     x     x
                     DATATYPE      x     x     x     x
                     DATE          x     x     x     x
                     DELSTR        x     x     x     x
                     DELWORD       x     x     x     x
                     DIGITS        x     x     x     x
                     D2C           x     x     x     x
                     D2X           x     x     x     x
                     ERRORTEXT     x     x     x     x
                     FORM          x     x     x     x
                     FORMAT        x     x     x     x
                     FUZZ          x     x     x     x
                     INSERT        x     x     x     x
                     LASTPOS       x     x     x     x
                     LEFT          x     x     x     x
                     LENGTH        x     x     x     x
                     LINEIN        x     x     -     x
                     LINEOUT       x     x     -     x
                     LINES         x     x     -     x
                     MAX           x     x     x     x
                     MIN           x     x     x     x
                     OVERLAY       x     x     x     x
                     POS           x     x     x     x
                     QUEUED        x     x     x     x
                     RANDOM        x     x     x     x
                     REVERSE       x     x     x     x
                     RIGHT         x     x     x     x
                     SIGN          x     x     x     x
                     SOURCELINE    x     x     x     x
                     SPACE         x     x     x     x
                     STREAM        x     -     -     x <===
                     STRIP         x     x     x     x
                     SUBSTR        x     x     x     x
                     SUBWORD       x     x     x     x
                     SYMBOL        x     x     x     x
                     TIME          x     x     x     x
                     TRACE         x     x     x     x
                     TRANSLATE     x     x     x     x
                     TRUNC         x     x     x     x
                     VALUE         x     x     x     x
                     VERIFY        x     x     x     x
 
Cheers.
 

On 28/04/2021 03:46, Paul Gilmartin wrote:
> On 2021-04-27, at 19:53:31, CM Poncelet wrote:
>> Shared variable pools - as in VPUT/VGET <whatever> SHARED - are supported.
>>  
>> CTC's SPF/PC REXX supports Mike Cowlishaw's definition, as in his "The
>> REXX Language".
>>  
>> Table 3. Comparison of Built-in Functions
>>  
>>  
>>                      Availability of Built-in Functions
>>                       Function    SAA   COW   CMS   CTC
>>      ...
>>                      CHARIN        x     x     -     x
>>                      CHAROUT       x     x     -     x
>>                      CHARS         x     x     -     x
>>  
> CMS is better than that.  It supports the STREAM family of functions.
>     https://www.ibm.com/docs/en/zvm/7.1?topic=functions-stream
>>                      <etc.>
> -- gil
>
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