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Asked: 2026-05-10T15:09:44+00:00

I am trying to install the ibm_db gem so that I can access DB2

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I am trying to install the ibm_db gem so that I can access DB2 from Ruby. When I try:

sudo gem install ibm_db

I get the following request for clarification:

 Select which gem to install for your platform (i486-linux)  1. ibm_db 0.10.0 (ruby)  2. ibm_db 0.10.0 (mswin32)  3. ibm_db 0.9.5 (mswin32)  4. ibm_db 0.9.5 (ruby)  5. Skip this gem  6. Cancel installation

I am always going to be installing the linux version (which I assume is the ‘ruby’ version), so is there a way to pick which one I will install straight from the gem install command?

The reason this is a problem is that I need to automate this install via a bash script, so I would like to select that I want the ‘ruby’ version ahead of time.

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1 Answer

  1. You can use a ‘here document’. That is:

    sudo gem install ibm_db <<heredoc   1 heredoc

    What’s between the \<\<\SOMETHING and SOMETHING gets inputted as entry to the previous command (somewhat like ruby’s own heredocuments). The 1 there alone, of course, is the selection of the ‘ibm_db 0.10.0 (ruby)’ platform.

    Hope it’s enough.

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