Re: Compile and Run Java Projects

On Mon, Oct 17, 2016, Luis Henriquez-Perez wrote:
> On Monday, October 17, 2016 at 6:08:35 PM UTC-4, Luis Henriquez-Perez wrote:
> > I am using vim to code my java projects. I've been noticing I've been jumping back to the terminal a lot to compile and run my code. So I want to create a function that does all this for me (and gets rid of the class files afterwards). The code below is my attempt. Could someone let me know how I can fix my code?
> >
> > func! CompileFolderJava()
> >
> > " compile all java files in folder of the current buffer
> > :!javac "%:p:h" . "/*.java" " javac path/name/to/current/buffer/directory/*.java
> >
> >
> > " run Main java file in that folder
> > :!java "%:p:h" . ".Main" " java path/name/to/current/buffer/directory.Main
> >
> > " delete all the .class files in that folder
> > :!rm "%:p:h" . ".class"
> >
> > " :echo "Done"
> > endfunc
>
> The solution of " :!java -cp %:p:h Main" did not work out.
>
> I think this might be because my java files all have the following line:
> Package myjavafiles;
>
> as of yet the only way I've found to compile and run it from the terminal (and not from vim)
> is by being in the parent directory of myjavafiles and doing:
>
> javac myjavafiles/*.java
> java myjavafiles.Main
>
> I've found that I can specify the directory of the java files I want to compile in the "javac" command. But when the "java" command will only work when I'm in the directory that has the folder of java files.
>
> I came to this conclusion after doing the following in vim from myjavafiles directory:
>
> // succesful
> : cd ..
> : !javac myjavafiles/*.java
> : !java myjavafiles.Main
>
> // not successful
> : !javac *.java <---worked
> : !java Main <----did not work
>
> // suprisingly not successful
> : cd ..
> : !javac myjavafiles/*.java
> : !java ~/path/to/myjavafiles.Main
>
> Because of these tests I think that perhaps I need to change directories to compile. But I'm not sure how to get only the folder name "myjavafiles" instead of the whole path.

Try %:p:h:t to get just 'myjavafiles'.

The help for %'s modifiers is can be accessed at :help
filename-modifiers.

--
Eric Christopherson

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