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instance method
Gem::Commands::OpenCommand#get_env_editor
get_env_editor
lib/rubygems/commands/open_command.rb
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# File tmp/rubies/ruby-3.0.5/lib/rubygems/commands/open_command.rb, line 42
def get_env_editor
ENV['GEM_EDITOR'] ||
ENV['VISUAL'] ||
ENV['EDITOR'] ||
'vi'
end
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