/usr/lib/ruby/1.9.1/ramaze/snippets/string/unindent.rb is in libramaze-ruby1.9.1 2010.06.18-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | module Ramaze
module CoreExtensions
# Extensions for String
module String
# Useful for writing indented String and unindent on demand, based on the
# first line with indentation.
def unindent
find_indent = proc{ |l| l.find{|l| !l.strip.empty?}.to_s[/^(\s+)/, 1] }
lines = self.split("\n")
space = find_indent[lines]
space = find_indent[lines.reverse] unless space
strip.gsub(/^#{space}/, '')
end
alias ui unindent
# Destructive variant of undindent, replacing the String
def unindent!
self.replace unindent
end
alias ui! unindent!
end
end
end
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