[jruby-user] Shebang script with arguments

[Rodrigo Botafogo]

Hello...

I have a shebang script for jruby, and I need to change the java heap space in it.  How do I do that?  Is it possible?

Doing: 

#!/usr/bin/env jruby -J-Xmx1024m

does not work. 

I´ve seen a suggestion, that for Python the best would be to add the parameter to a shell variable.  Can this be done for JRuby?

Thanks a lot....

--

Rodrigo Botafogo

[Charles Duffy]

POSIX doesn't generally allow more than one argument (other than the
interpreter name itself) to be passed as part of a shebang, so even if
your operating system supports this, it won't be portable: You've
already filled that one position with "jruby", since slot 0 is "env".

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[Rodrigo Botafogo]

So, can I use shell variables? Any other solution? Any ideas?

Thanks,

--

Rodrigo Botafogo

[Rodrigo Botafogo]

Does JRUBY_OPTS helps in this case?  How do I use this?

--

Rodrigo Botafogo

[Chris Seaton]

You can have a second script that executes JRuby with the arguments you want, and use that in the shebang line.

Chris