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Original file line number | Diff line number | Diff line change |
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class String | ||
# 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. | ||
def strip_heredoc | ||
indent = chomp.scan(/^\s*/).min.size | ||
gsub(/^\s{#{indent}}/, '') | ||
end | ||
end |
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