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Re: [netrexx-pipelines] nrc is choking on variable substitution in my pipeline
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From: René J. <rvj...@xs...> - 2021-10-31 13:39:00
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Hi Colin,
The only thing is, you cannot specify a .class extension after a filename when invoking java through the java.exe processor. This is outside of our control.
Interestingly, I just ran the class, and the example uncovers an error in the sort stage, or so it seems. Just in time for NetRexx 4.0.2 - and your examples prompted a documentation change, there was too much left implicit.
Best regards,
René.
> On 31 Oct 2021, at 06:49, Colin <net...@im...> wrote:
>
> Thanks Rene
>
> I am still a little confused though.
>
> I have a file called testpipe.nrx which has been copied from the Pipelines Quick Start manual
>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>dir testpipe*
> Volume in drive Z is OS
> Volume Serial Number is 643B-12E5
>
> Directory of z:\NetRexx-4.01-GA\bin
>
> 2021-10-28 05:23 PM 334 testpipe.nrx
> 1 File(s) 334 bytes
> 0 Dir(s) 1,038,705,549,312 bytes free
>
> z:\NetRexx-4.01-GA\bin>type testpipe.nrx
> class testpipe
>
> method testpipe(avar=Rexx)
>
> F = Rexx 'abase'
> T = Rexx 1
>
> F[0]=5
> F[1]=222
> F[2]=3333
> F[3]=1111
> F[4]=55
> F[5]=444
>
> pipe (apipe stall 1000 )
> stem F | sort | prefix literal {avar} | console | stem T
>
> loop i=1 to T[0]
> say 'T['i']='T[i]
> end
>
> method main(a=String[]) static
>
> testpipe(Rexx(a))
> z:\NetRexx-4.01-GA\bin>
>
>
> My understanding is that I am supposed to use pipc to compile it.
>
>
> z:\NetRexx-4.01-GA\bin>pipc testpipe
> 16 +++ stem F | sort | prefix literal {avar} | console | stem T
> +++ ^
> +++ Error: Unexpected character found in source: '{' (hexadecimal encoding: 007B)
>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>dir testpipe*
> Volume in drive Z is OS
> Volume Serial Number is 643B-12E5
>
> Directory of z:\NetRexx-4.01-GA\bin
>
> 2021-10-28 05:23 PM 334 testpipe.nrx
> 1 File(s) 334 bytes
> 0 Dir(s) 1,038,709,510,144 bytes free
>
>
> Hmmm.. . . maybe I am supposed to call it testpipe.njp. Let's rename it.
>
>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>rename testpipe.nrx testpipe.njp
>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>dir testpipe*
> Volume in drive Z is OS
> Volume Serial Number is 643B-12E5
>
> Directory of z:\NetRexx-4.01-GA\bin
>
> 2021-10-28 05:23 PM 334 testpipe.njp
> 1 File(s) 334 bytes
> 0 Dir(s) 1,038,709,354,496 bytes free
>
> z:\NetRexx-4.01-GA\bin>pipc testpipe
> pipe (testpipe_apipe stall 1000 ) stem F | sort | prefix literal arg(string 'avar'} | console | stem T
>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>dir testpipe*
> Volume in drive Z is OS
> Volume Serial Number is 643B-12E5
>
> Directory of z:\NetRexx-4.01-GA\bin
>
> 2021-10-30 10:31 PM 1,845 testpipe.class
> 2021-10-28 05:23 PM 334 testpipe.njp
> 2021-10-30 10:31 PM 4,180 testpipe_apipe.class
> 2021-10-30 10:31 PM 314 testpipe_apipe_sortRexx_2.class
> 4 File(s) 6,673 bytes
> 0 Dir(s) 1,038,709,751,808 bytes free
>
>
> This looks much more promising. Let's run it.
>
>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>
> z:\NetRexx-4.01-GA\bin>java testpipe
> Error: Unable to initialize main class testpipe
> Caused by: java.lang.NoClassDefFoundError: org/netrexx/njpipes/pipes/ThreadQ
>
> That didn't work so I wonder if I am supposed to execute the testpipe_apipe.class instead.
>
>
> z:\NetRexx-4.01-GA\bin>java testpipe_apipe.class
> Error: Could not find or load main class testpipe_apipe.class
> Caused by: java.lang.ClassNotFoundException: testpipe_apipe.class
>
> z:\NetRexx-4.01-GA\bin>
>
>
> Not sure what I am doing wrong.
>
> Thanks
> Colin
>
>
> On 2021-10-30 07:23, René Jansen wrote:
>> Hi Leslie, Colin,
>>
>> This source needs the pipes compiler - please try with pipc (pipc: aliased to java org.netrexx.njpipes.pipes.compiler) - it needs that step to sort out the variable inclusion. Colins analysis that the NetRexx compiler cannot handle this is correct. If you can include a version of the source that does not include | (pipes) at the start I can easier check that for you.
>>
>> Best regards,
>>
>> René.
>>
>>
>>> On 28 Oct 2021, at 12:36, J Leslie Turriff <jlt...@ma...> <mailto:jlt...@ma...> wrote:
>>>
>>> I'm trying to use a simple pipeline in a NetRexx routine, but nrc doesn't like my
>>> variable substitution:
>>>
>>> ~/bin/NetRexx
>>> | $ echo $JAVA_HOME
>>> |
>>> | @05:27:11,leslie@pinto rc=0
>>> | ~/bin/NetRexx
>>> | $ echo $CLASSPATH
>>> | .:/home/leslie/bin/NetRexx/:/usr/java/jdk-17:/usr/local/NetRexx-4.01-GA/lib/NetRexxF.jar
>>> | @05:27:21,leslie@pinto rc=0
>>> | ~/bin/NetRexx
>>> | $ cat newTree.nrx
>>> | -- .-----------------------------------------------------------------------. --
>>> | -- | Change Log | --
>>> | -- |Version Date Description | --
>>> | -- |------- ---------- ----------------------------------------------------| --
>>> | -- | | --
>>> | -- |1.0 2021-10-27 Creation | --
>>> | -- '-----------------------------------------------------------------------' --
>>> | import org.netrexx.njpipes.pipes.
>>> | trace off
>>> | parse arg treeBase
>>> | treePipe(Rexx(treeBase))
>>> | exit 0
>>> | -------------------------------------------------------------------------------
>>> | method treePipe(treeArguments)
>>> | pipe (fixTree)
>>> | command /usr/bin/tree {treeArguments}
>>> | | tree: split at /[/
>>> | | merge: specs select 1 1-* next
>>> | select 0 1-* next
>>> | select 2 1-* next
>>> | | console
>>> | ? tree: split at /]/ | attrs:
>>> | ? attrs: | merge:
>>> | --===========================================================================--
>>> | @05:27:31,leslie@pinto rc=0
>>> | ~/bin/NetRexx
>>> | $ nrc newTree.nrx
>>> | NetRexx portable processor 4.01-GA build 573-20210320-2000
>>> | Copyright (c) RexxLA, 2011,2021. All rights reserved.
>>> | Parts Copyright (c) IBM Corporation, 1995,2008.
>>> | Program newTree.nrx
>>> | 16 +++ command /usr/bin/tree {treeArguments}
>>> | +++ ^
>>> | +++ Error: Unexpected character found in source: '{' (hexadecimal encoding: 007B)
>>> | Compilation of 'newTree.nrx' failed [one error]
>>> | @05:27:40,leslie@pinto rc=2
>>>
>>> I can't see what I'm doing differently to what is described in "How to use a pipe in a
>>> NetRexx program", page 24 of "Pipelines Guide and Reference"; I tried first putting the
>>> pipeline into the implicit main() method, then in a separate method; neither worked, so I
>>> looked through the examples in the NetRexx package and noticed the import statement, but
>>> adding that didn't help either.
>>> What am I doing wrong?
>>>
>>> Leslie
>>> --
>>> Distribution: openSUSE Leap 15.3 x86_64
>>> java version "17" 2021-09-14 LTS
>>> Java(TM) SE Runtime Environment (build 17+35-LTS-2724)
>>> Java HotSpot(TM) 64-Bit Server VM (build 17+35-LTS-2724, mixed mode, sharing)
>>> NetRexx portable processor 4.01-GA build 573-20210320-2000
>>>
>>>
>>> _______________________________________________
>>> netrexx-pipelines mailing list
>>> net...@li... <mailto:net...@li...>
>>> https://lists.sourceforge.net/lists/listinfo/netrexx-pipelines <https://lists.sourceforge.net/lists/listinfo/netrexx-pipelines>
>>
>>
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