main method

[Corrado Agusto]

Hi all,
this is my first netrexx program, and it gives me an  error, of course - not a good start :-)

Compile goes good, but when I run  "java MsgFileReader usenetfile.txt it reports " I get :



in class MsgFileReader : void main(  string=argv[]  ) is not defined

Any hint ?

TIA



---------------- file MsgFileReader.nrx ---------------
Class MsgFileReader extends FileReader

Properties

       
Method MsgFileReader( filename = string )

        super( filename )


Method CheckType()

        path = rexx
        ok = boolean
        br = bufferedreader( this )
        line = br.readline
        say line
        parse line path .
        if path = 'Path:' then ok = 1
        return ok

Method Main( argv = string )

parse argv filename

ur = MsgFileReader( filename )
ur.checktype()



corrado agusto \\___ [hidden email]

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[Massimiliano Marsiglietti]

Ciao Corrado,

hai scritto:

> Hi all,
> this is my first netrexx program, and it gives me an  error, of course -
> not a good start :-)
>
> Compile goes good, but when I run  "java MsgFileReader usenetfile.txt it
> reports " I get :
>
> in class MsgFileReader : void main(  string=argv[]  ) is not defined
>
> Any hint ?

[..]

> Method Main( argv = string )

Yes -- the "main" method you coded is not the same "main" you wanted to
code. :-)

The "main" method that Java wants in order to run the class as a program is
main(string[]).

Try with

method main(CommandLine=String[]) public static

Max

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[Corrado Agusto]

On Sat, 18 Jul 1998 13:47:20 +0200, Massimiliano Marsiglietti wrote:

>Yes -- the "main" method you coded is not the same "main" you wanted to
>code. :-)

Well, I'm quite sure I'm missing something - It still doesn't work :-(

I tried this ( MsgFIleReader.nrx)



--------- cut here ------------
Class MsgFileReader extends FileReader

Properties

       
Method MsgFileReader( filename = string )
        super( filename )


Method CheckType()

        path = rexx
        ok = boolean
        br = bufferedreader( this )
        line = br.readline
        say line
        parse line path .
        if path = 'Path:' then ok = 1
        return ok

Method Main( argv = string[] ) public static
filename = argv[0]

ur = MsgFileReader( filename )
ur.checktype()
----------- cut here --------------

Compiling is successful, but once I load the script I get thie :
"in class MsgFileReader : void main( string argv[] ) is not defined"

Compiling with -keep options gives me a Java code that shows such a method :

static void Main(java.lang.String argv[]) throws java.io.FileNotFoundException,java.io.IOException{
ecc.


Anyway, I renamed the file and created a msgfilereader object before defining such a class, so letting netrexx do the work and
It worked fine.
Is this right ?

Something like this :

-------- rexpress.nrx --------
ur = msgfilereader( string filename )
ur.checktype
....

class MsgFileReader extends fileReader signals filenotfoundexception
....




corrado agusto \\___ [hidden email]




corrado agusto \\___ [hidden email]


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[Massimiliano Marsiglietti]

Ciao Corrado,

hai scritto:

> Well, I'm quite sure I'm missing something - It still doesn't work :-(
>
> I tried this ( MsgFIleReader.nrx)

[..]

> Method Main( argv = string[] ) public static
> filename = argv[0]
>
> ur = MsgFileReader( filename )
> ur.checktype()
> ----------- cut here --------------
>
> Compiling is successful, but once I load the script I get thie :
> "in class MsgFileReader : void main( string argv[] ) is not defined"
>
> Compiling with -keep options gives me a Java code that shows such a method
> :
>
> static void Main(java.lang.String argv[]) throws
> java.io.FileNotFoundException,java.io.IOException{ ecc.

Yes, that's the problem, you need "main", not "Main". Use this:

----------- cut here --------------
method main(argv = string[]) public static
 filename = argv[0]

 do
  ur = MsgFileReader(filename)
  ur.checktype()
 catch FileNotFoundException
  -- Code that handles FileNotFoundException
 catch IOException
  -- Code that handles IOException
 end
----------- cut here --------------

NetRexx is very forgiving about capitalization,
however Java isn't -- and it wants "main" without
capital letters in order to launch a program.

Note:
The "catch" stuff isn't needed, but someday
you would need to implement it anyway. :-)

Max

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