mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
34 lines
890 B
Markdown
34 lines
890 B
Markdown
# mruby-env
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ENV object for environment variable access.
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This gem is a built-in replacement for [iij/mruby-env](https://github.com/iij/mruby-env),
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providing a superset of its API.
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## Methods
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`[]`, `[]=`, `assoc`, `clear`, `delete`, `each`, `each_key`,
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`each_value`, `empty?`, `fetch`, `filter`/`select`, `freeze`,
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`has_key?`/`include?`/`key?`/`member?`, `has_value?`/`value?`,
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`inspect`, `key`, `keys`, `length`/`size`, `merge!`/`update`,
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`rassoc`, `reject`, `replace`, `slice`, `store`, `to_a`, `to_h`,
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`to_s`, `values`
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ENV includes `Enumerable` via `mruby-enumerator`.
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## Example
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```ruby
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ENV["MY_VAR"] = "hello"
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ENV["MY_VAR"] #=> "hello"
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ENV.delete("MY_VAR") #=> "hello"
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ENV.keys #=> ["PATH", "HOME", ...]
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ENV.each { |k, v| puts "#{k}=#{v}" }
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ENV.select { |k, v| k.start_with?("RUBY") }
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```
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## License
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MIT License - see the mruby license.
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