strip_heredoc

strip_heredoc()

Instance Public methods

Strips indentation in heredocs.

For example in

if options[:usage]
  puts <<-USAGE.strip_heredoc
    This command does such and such.

    Supported options are:
      -h         This message
      ...
  USAGE
end

the user would see the usage message aligned against the left margin.

Technically, it looks for the least indented line in the whole string, and removes that amount of leading whitespace.

Links:

https://github.com/rails/rails/blob/b422cda2ebfff4032f4c18271e96ad329c413dcc/activesupport/lib/active_support/core_ext/string/strip.rb#L22

doc_ruby_on_rails

2025-01-10 15:47:30

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