Here is another test, this time with redirection, and using hostcmd. When
foo is run, it should wait 2 seconds and return its (string) argument. If
this works, try the same with synmod.exe.
T=: jpath '~temp/'
F=: T,'t1.sh'
G=: T,'t2.txt'
H=: T,'t3.txt'
F fwrites~ '#!/bin/bash',LF,'sleep 2',LF,'read var',LF,'echo $var'
fmakex F
foo=: 3 : 0
G fwrites~ y
H fwrites~ ''
hostcmd_j_ F,' < ',G,' > ', H
smoutput freads H
)
foo 'hello'
On Sat, Nov 25, 2017 at 10:22 AM, J. Patrick Harrington
<[email protected]>
wrote:
> Chris,
> I have finally got back to my mac to test this. I have installed
> the latest j806 to make sure it's up to date (and tried this with j805
> with the same results as reported here). Both pass your test:
>
> F=: jpath '~temp/t1.sh'
> F fwrites~ '#!/bin/bash',LF,'sleep 2',LF,'echo "done"'
> 32
> fmakex F
> foo=: 3 : 0
> echo 2!:0 F
> echo 2+3
> )
> foo''
> done
>
> 5
>
> The mac is a late 2014 mini running OS 10.12.6 (Sierra).
> JVERSION
> Engine: j806/j64nonavx/darwin
> Release: commercial/2017-11-06T10:18:00
> Library: 8.06.09
> Qt IDE: 1.6.2s/5.6.3
> Platform: Darwin 64
> Installer: J806 install
> InstallPath: /users/jph/j64-806
>
> But... my program still fails. I can simplify the problem by just
> entering
> one line (after setting the directory to /Users/jph/tlusty205/synspec/j
> ph):
> 2!:0 '../synmod.exe < fort.5 > fort.6'
> Instead of writing the output to fort.6, it dumps that output to the Jqt
> session:
> ...
> PARTITION FUNCTIONS AT THE STANDARD DEPTH
> ------------------------------------------
>
>
> H 4.58E+00 1.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
> 0.00E+00
> He 1.00E+00 2.00E+00 1.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
> 0.00E+00
> Li 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
> 0.00E+00
> Be 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
> 0.00E+00
> B 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00
> 0.00E+00
> C 1.19E+02 6.12E+00 1.04E+00 2.01E+00 1.00E+00 0.00E+00 0.00E+00
> 0.00E+00
>
> etc.
> This is just the tail of the 557 line output file. So the > direction of
> the script is not followed. But if I go to a terminal shell in the same
> directory and enter
> ../synmod.exe < fort.5 > fort.6
> it executes without any screen output. And the results are printed to
> fort.6.
>
> On my Dell XPS running 806 under Ubuntu 16.04,
> 2!:0 '../synmod.exe < fort.5 > fort.6'
> returns to the qt terminal without any screen output, and looking at
> fort.6, the expected results have been written there. So there is
> some problem about how 2!:0 handles the directed output on the mac as
> opposed to the Linux machine.
>
> I suppose I could work around this by modifing the fortran program to
> send
> the output directly to a file called 'fort.6' instead of directing the
> standard output. But it's huge program I didn't write, and I'd rather
> not.
>
> Regards, Patrick
>
> On Wed, 22 Nov 2017, chris burke wrote:
>
> > You should be able to do a simple test to see if 2!:0 waits, for
> > example
> > as
> > below. This does wait on my Mac with the same J as you, except the avx
> > version.
> >
> > F=: jpath '~temp/t1.sh'
> > F fwrites~ '#!/bin/bash',LF,'sleep 2',LF,'echo "done"'
> > fmakex F
> >
> > foo=: 3 : 0
> > echo 2!:0 F
> > echo 2+3
> > )
> >
> > foo''
> >
> > On Wed, Nov 22, 2017 at 7:28 PM, J. Patrick Harrington
> > <[email protected]
> > >
> > wrote:
> >
> > Bill,
> > >
> > > I've tried that. ../synmod.exe < fort.5 > fort.6 in a terinal
> > > window works fine on all three machines. And the directory change
> > > is OK. WHen the program fails on the Mac Mini, the J session is
> > > left in the /home/tages/tlusty205/synspec/jph directory.
> > >
> > > Patrick
> > >
> > > On Thu, 23 Nov 2017, bill lam wrote:
> > >
> > > You can try executing the cmd in bash shell to verify whether it
> > > actually
> > > > work on the other machine.
> > > >
> > > > Also check the cwd in J session to see it is correct.
> > > >
> > > > On Nov 23, 2017 12:54 AM, "J. Patrick Harrington"
> > > > <[email protected]>
> > > > wrote:
> > > >
> > > > A>> A problem has surfaced which has me puzzled. I have written
> > > > A>> a
> > > >
> > >
> > > program which needs the results of another program, synmod.exe,
> > > which
> > >
> > > > reads in a file, executes for a few seconds, and writes the
> > > > results
> > > > > to the file fort.6 (synmod.exe is my modification of a 10,000
> > > > > line
> > > > > fortran program). The relevant part of my program is as follows:
> > > > >
> > > > > LAM=: IX=: QX=: <''
> > > > > 1!:44 '/home/tages/tlusty205/synspec/jph'
> > > > > 'Ti gi lam1 lam2'=. y
> > > > > fix55 lam1, lam2 NB. put lam1 & lam2 into fort.55
> > > > > lngg=. 10^. gi
> > > > > nh=. -:#Ti
> > > > > i=. _1
> > > > > while. (i=. >:i)<nh do.
> > > > > Tii=. i{Ti
> > > > > lngi=. i{lngg
> > > > > Kbicub Tii, lngi
> > > > > 2!:0 '../synmod.exe < fort.5 > fort.6'
> > > > > Z=. lam2 CLEAN Extract''
> > > > > 'mu rad deg lam Flx Ia Qa pol'=. Z
> > > > > LAM=: LAM, <lam
> > > > > IX=: IX, <Ia
> > > > > QX=: QX, <Qa
> > > > > end.
> > > > > 1!:44 '/home/tages/J6/SPIN.d'
> > > > >
> > > > > The issue here is the Foreign 2!:0. This code works *perfectly*
> > > > > on my
> > > > > Dell
> > > > > laptop running
> > > > > JVERSION
> > > > > Engine: j806/j64/linux
> > > > > Release: commercial/2017-11-06T09:54:01
> > > > > Library: 8.06.09
> > > > > Qt IDE: 1.6.2/5.3.2
> > > > > Platform: Linux 64
> > > > > Installer: J806 install
> > > > > InstallPath: /home/tages/j64-806
> > > > >
> > > > > But... the very same code running on either of the other two
> > > > > machines I
> > > > > use fails. The line 2!:0 '../synmod.exe < fort.5 > fort.6'
> > > > > should write the results of synmod to the file fort.6, but
> > > > > instead defines fort.6 but writes nothing to it. Thus the
> > > > > Extract'' routine fails when it tries to read fort.6.
> > > > >
> > > > > I suspect that while 2!:0 waits for synmod.exe to finish, maybe
> > > > > on my other machines it transfers to the next line of the J code
> > > > > before fort.6 is written. One of these machines is a Mac Mini
> > > > > running
> > > > > JVERSION
> > > > > Engine: j806/j64nonavx/darwin
> > > > > Release: commercial/2017-11-06T10:18:00
> > > > > Library: 8.06.09
> > > > > Qt IDE: 1.6.2s/5.6.3
> > > > > Platform: Darwin 64
> > > > > Installer: J806 install
> > > > > InstallPath: /users/jph/j64-806
> > > > >
> > > > > So I'm asking if the foreign 2!:0 in some cases returns without
> > > > > waiting. I thought just 2!:1 did that.
> > > > >
> > > > > Apologies for the long-winded post, Patrick
> > > > >
> > > > > ----------------------------------------------------------------------
> > > > > For information about J forums see
> > > > > http://www.jsoftware.com/forums.htm
> > > > >
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