Re: [netrexx-pipelines] Reading pipe source from stdin

[René J. <rvj...@xs...>]

Interesting … yes, I think this is one step further in the evolution of the pipes processor from file/pipe-generate/compile only to ‘just in time’. It is amazing that this takes almost no time now (on my fastest computer-that is).

This is a very good idea - thank you Marc.

René.

> On 4 Jan 2023, at 11:24, Marc Remes <re...@gm...> wrote:
> 
> I always found it strange that NetRexx Pipelines did not accept its source from stdin, counter-intuitive on *nix.
> I've updated runner.nrx to do just that.
> 
> Previously, when executing org.netrexx.njpipes.pipes.runner without an argument, a message 'specify a pipeline' was given.
> Now, it will read the pipeline from stdin.
> Also, a -h option was added, and the parsing of the pipeline options - between () - have been sanitised.
> 
> bin/pipe does not have to readline anymore, as runner does it now.
> This allows addressing pipelines directly :
> 
> <<
> $ cat pipetest.nrx
> 
> address system
> 
> 'pipe "(sep ! end %) literal one ! cons%"'
> 
> 'echo "literal two | cons" | pipe'
> 
> 'echo "literal three | cons" >pipein.txt'
> 
> 'pipe -f pipein.txt'
> 
> 
> address pipe '(pipetest sep ! end ") literal four ! cons"'
> 
> address pipe
> 
> '(pipetest sep ! end ") literal five ! cons"'
> 
> '(pipetest sep | end ?)'-    -- split lines
> 'literal six |'-             -- write comments after -
> 'cons ?'
> 
> '(pipetest sep | end ?)'-
> '  literal seven '-
> '| cons'
> 
> $ nrc -exec pipetest
> NetRexx portable processor 4.05-alpha build 2,078-20230104-1557
> Copyright (c) RexxLA, 2011,2022.   All rights reserved.
> Parts Copyright (c) IBM Corporation, 1995,2008.
> Program pipetest.nrx
> ===== Exec: pipetest =====
> one
> two
> three
> four
> five
> six
> seven
> Processing of 'pipetest.nrx' complete
> 
>>> 
> 
> Mileage on Windows may vary..
> 
> Marc
> 
> 
> 
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