Copying data from a running ruby script

Question

Copying data from a running ruby script

I have a long ruby script on Linux that has interesting data stored in a hash table. There is no storage mechanism in the program and I am interested in copying data from a hash table. Is there a way to copy data from memory of a running ruby script?

Rajah

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ruby memory

Rajkumar S 07 oct. 09 at 14:50

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2 answers

It would be very easy to add a signal handler that responds by dumping the serialized version of your hash table.

See Signal.trap .

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Jonathan Feinberg 07 oct. At 15:02

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John hyland · Accepted Answer · 2009-10-07T15:00:53+0000

This is not for the faint of heart, but there is a tool called Hijack that can give you a live irb prompt to start a ruby process. RubyInside has a very quick rundown and example of how to use this .

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Copying data from a running ruby script