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Index › Programming Questions & Help › Processing Implementations › rp5 live doesn't show prompt
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rp5 live doesn't show prompt (Read 1371 times)
samaaron
rp5 live doesn't show prompt
Feb 26th, 2009, 11:26pm  
If I launch an example Ruby-Processing sketch via:

rp5 live sketch.rb

then I never see an irb prompt enabling me to interact with the sketch itself. My Java version is as follows (OS X Leopard 10.5.6 Java SE 6):

java version "1.6.0_07"
Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)

JRuby version:

jruby 1.2.0RC1 (ruby 1.8.6 patchlevel 287) (2009-02-26 rev 6586) [x86_64-java]

Doe anyone have any ideas?
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jashkenas
Re: rp5 live doesn't show prompt
Reply #1 - Feb 27th, 2009, 3:23am  
Sometimes it takes a few more seconds after the sketch has launched for the IRB prompt to show up in the console.

If it's still not working and you'd like to try and trouble shoot, check out lib/ruby-processing/runners/live.rb in the source. It's only 6 lines of code and should be easy for you to figure out.
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samaaron
Re: rp5 live doesn't show prompt
Reply #2 - Feb 27th, 2009, 11:31am  
Having a quick look, it appears that the problem is at the line 11 of live.rb:

IRB.start()

This doesn't seem to provide an irb prompt. I don't have much experience launching irb from a script, so I must say I'm not sure how it's working and what to look into. I will try and look into it further though...
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