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I'm trying to add a line to my .vimrc to run java.

If I type, :! basename % .java | xargs java

then all is good, but I cant get this into the vimrc without E492 Not an editor command.

I'd initially tried, nmap <leader> J :! basename % .java | xargs java and then tried to make a :Java command, but get the error both times. Any suggestions?

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2

You can also use backticks for executing the command:

map <F11> :!javac %; java `basename % .java`<CR>
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1

I've solved it

command Java execute "! basename % .java | xargs java"
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