Run ruby code from a string

Question

Is there a way to run ruby code from inside of a string.

Something like

'x = %ruby command%'

I have tried this from inside of my GemFile with no luck

gem 'private_gem', '>= 2.0.0', :git => 'https://#{ENV['github_user']}:#{ENV['github_password']}@github.umn.edu:asrweb/umn_shib_auth.git'

This is the error message

[!] There was an error parsing `Gemfile`: syntax error, unexpected tIDENTIFIER, expecting end-of-input - ... => 'https://#{ENV['github_user']}:#{ENV['github_password']}...
...                               ^. Bundler cannot continue.

Inpego · Accepted Answer · 2017-01-06 20:47:05Z

2

Just use double quotes:

gem 'private_gem', '>= 2.0.0', :git => "https://#{ENV['github_user']}:#{ENV['github_password']}@github.umn.edu:asrweb/umn_shib_auth.git"

answered Jan 6, 2017 at 20:47

Inpego

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1 Comment

tadman Over a year ago

Clarification: Double quotes ("...") will interpolate on #{...}, while single quotes ('...') will not.

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