Execute Ruby Gem from Ruby Script

Question

I have installed gem rvpacker gem. From command runs fine but I want to set its options. I have this method by now

def runPacker(dir, type)
  puts dir
  puts type
  begin
    rvpacker -V -f -d #{dir} -t ace -a #{type}
  rescue Exception =>e
    puts "Error!"
    puts e.message
    puts e.backtrace.inspect 
    return 1
  end
  return 0
end

How to write this rvpacker line by using my parameters?

It's the script which I will run from Java App by using JRuby. When I call this command from JRuby directly I got

org.jruby.embed.ParseFailedException: (SyntaxError) <script>:1: syntax error, unexpected tUMINUS
rvpacker -V -f -d P:\temp-workspace\RPGTestProject1 -t ace -a unpack

But when I write it in console directly it's fine.

Levvy · Accepted Answer · 2015-06-13 21:16:30Z

0

rvpacker -V -f -d #{dir} -t ace -a #{type} this is not ruby code and I wanted to execute it from ruby interpreter ;) Ave me!

answered Jun 13, 2015 at 21:16

Levvy

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Comments

Community · Accepted Answer · 2017-05-23 10:26:57Z

-1

If I've understood your question right, then I think you'll find the answer here. For instance, you could wrap your command in a system call so that instead of the line:

rvpacker -V -f -d #{dir} -t ace -a #{type}

you would use

system "rvpacker -V -f -d #{dir} -t ace -a #{type}"

edited May 23, 2017 at 10:26

CommunityBot

11 silver badge

answered Jun 14, 2015 at 3:43

baob

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4 Comments

Brett Walker Over a year ago

Please include relevant information from the link in your answer, or your answer may be deleted. You can keep the link for reference. Link-only answers can become invalid if the linked page changes.

baob Over a year ago

@BrettWalker I hope that's enough to undo the downvote ?

Brett Walker Over a year ago

It was not I who down voted. But thank you for improving your answer.

baob Over a year ago

K, thanks ... obviously I'm still learning what's expected here.

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