On Tue, 6 Jun 2017 18:08:54 +0000, Rob Schramm wrote:

>That is one surprising thing about Rexx and sort.. that Rexx doesn't have
>built in support to call sort without a rigamarole.
> 
This is true of Rexx vis-a-vis many common utilities.  Sources of
the surprise:

o Rexx has no construct to connect SYSIN, SORTIN, or SORTOUT to stems;
  temporary files are required.

o Rexx has no form of instream data ("here-docments").

o Rexx has no construct like command substitution.

CMS/TSO Pipelines attacks many of these shortcomings.  But even that
lacks the ability to connect to inputs and outputs of standard utilities.

Parts of ANSI standard Rexx that IBM has chosen not to implement
provide similar facilities.

-- gil

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