The "trick" you probably need, as Ric shows here, is to include the "-jijx"
flag to avoid starting a session window.
On Feb 17, 2008 10:20 PM, Sherlock, Ric <[EMAIL PROTECTED]> wrote:
> Save the following as script file in some folder (say c:\my folder).
> >From a CMD prompt session in that folder call the script like this:
> c:\my folder>"c:\program files\j602\bin\j.exe" -jijx runscript.ijs
> "argument one" argument-two
>
>
> Now check your temp folder for the files test.txt & test2.txt.
>
> ======runscript.ijs=====================
> NB. call from folder containing runscript.ijs with:
> NB.
>
> load 'files'
> 'hello world' fwrites jpath '~temp/test.txt'
> (>ARGV_j_) fwrites jpath '~temp/test2.txt'
> args=: 3}. ARGV_j_
> ('only extra args',LF) fappends jpath '~temp/test2.txt'
> (> args) fappends jpath '~temp/test2.txt'
> ========end script=======================
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of PackRat
> > Sent: Monday, 18 February 2008 08:46
> > To: Programming forum
> > Subject: [Jprogramming] Beginner question--invoking J with arguments
> >
> > Thanks again for all the previous help I received here! Now
> > that I've
> > got a working script, I didn't realize just *how* fast J is: loading,
> > sorting, deduping, and comparing two files with around
> > 200,000 library
> > record numbers each, and then writing out a third file of another
> > 80,000 records altogether took only a few seconds! Wow!!
> >
> > Anyway, because I need to move data between multiple applications, I
> > currently use another scripting language (MS VBScript) to send the
> > various commands (in my script that I noted above)
> > sequentially to a J
> > server. (I would prefer to have used AutoIt as my "master" scripting
> > language, which is more powerful than VBScript, but AutoIt currently
> > seems to have an issue with receiving "variant"-type data
> > back from an
> > OLE server, such as a J server, so I had to resort to VBScript
> > instead.) I thought a useful next step in the process would be to
> > invoke J with a particular script (and perhaps arguments,
> > too), so that
> > my "master" scripting language(s) could have merely a single "shell"-
> > like command rather than a series of commands that simulate manually
> > typing a script into J.
> >
> > Similar to what I've noted in other previous messages, as a
> > beginner I
> > found it extremely difficult to find information along this
> > line. The
> > "Command Line Parameters" chapter in the "Overview" section of the
> > online "User Manual" (Usr) seemed to have what I was looking--with an
> > emphasis on "seemed" because I still can't get anything to
> > work, hence
> > my question. The chapter gave 4 groups of patterns for invoking J in
> > various circumstances.
> >
> > The first pattern group seemed to be the one I wanted (or was I
> > wrong??)--here's the final pattern in that group:
> > J FN ARGS [J=servername, FN=scriptname, ARGS=0 or more arguments]
> >
> > Unfortunately, *NO* practical examples were given for any of the
> > patterns in any of the groups, except the last (which I'll ask about
> > later on). So, lacking any examples, I tried all of the following
> > variations (sending the scriptname and the names of the two files for
> > the script to handle) and possibly more variations that I've since
> > forgotten. I also tried *not* using any arguments, just to see if I
> > could get even that much to work.
> >
> > (1) Windows shortcut target:
> >
> > "c:\Program Files\j\j.exe c:\Program Files\j\temp\myscript.ijs
> > c:\iii1.txt c:\iii2.txt"
> >
> > "c:\Program Files\j\j.exe c:\Program Files\j\temp\myscript.ijs
> > 'c:\iii1.txt' 'c:\iii2.txt'"
> >
> > "c:\Program Files\j\j.exe 'c:\Program Files\j\temp\myscript.ijs'
> > 'c:\iii1.txt' 'c:\iii2.txt'"
> >
> > "c:\Program Files\j\j.exe c:\Program Files\j\temp\myscript.ijs"
> >
> > "c:\Program Files\j\j.exe 'c:\Program Files\j\temp\myscript.ijs'"
> >
> > (2) DOS command line:
> >
> > c:\Progra~1\j\j.exe c:\Program Files\j\temp\myscript.ijs c:\iii1.txt
> > c:\iii2.txt
> >
> > c:\Progra~1\j\j.exe c:\Program Files\j\temp\myscript.ijs
> > 'c:\iii1.txt'
> > 'c:\iii2.txt'
> >
> > c:\Progra~1\j\j.exe 'c:\Program Files\j\temp\myscript.ijs'
> > 'c:\iii1.txt' 'c:\iii2.txt'
> >
> > c:\Progra~1\j\j.exe c:\Program Files\j\temp\myscript.ijs
> >
> > c:\Progra~1\j\j.exe 'c:\Program Files\j\temp\myscript.ijs'
> >
> > (I also tried using double quotes instead of single quotes in the DOS
> > commands.)
> >
> > In all cases, Windows/DOS complained and/or failed. (My memory seems
> > to indicate that the second last Windows and DOS commands actually
> > started J, but then J just sat there waiting for manually-typed
> > commands.) As I said, I tried every variation I could think of for
> > what the indicated pattern in the User Manual might have
> > meant, but to
> > no avail.
> >
> > Just before writing this message, I looked again at the User
> > Manual to
> > verify the pattern I tried to follow above, and I noted that
> > the fourth
> > pattern *might* also be close to what I'm looking for, but I have
> > questions about it:
> >
> > The Manual states:
> > J -js ARGS - creates verb ARGVERB_z_ from ARGS and runs it
> > and has the examples:
> > jconsole.exe -js a=.23 b=.3 "echo a*b"
> > jconsole.exe -js a=.23 b=.3 "echo a*b" exit
> >
> > Instead of ARGS being a series of J commands, can it be the name of a
> > script to invoke or not? I have a hunch that the answer is "not".
> >
> > So my question is, how in the world can I invoke the running of a
> > script (.ijs file), preferably with arguments that the script could
> > utilize internally? In other words, the technique should
> > start up a J
> > server and "force" a script to run (preferably with the
> > possibility of
> > arguments to pass to the script). This invocation should be
> > able to be
> > done as a Windows shortcut (via the "target" command line) or as an
> > equivalent "shell"-like command (like a DOS command) in some other
> > scripting language. I hope someone can indicate how to do this.
> > Thanks!
> >
> > Harvey
> >
> >
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> >
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
--
Devon McCormick, CFA
^me^ at acm.
org is my
preferred e-mail
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
