27 lines
424 B
Ruby
27 lines
424 B
Ruby
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class String
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def shorten(length, usedots=true)
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if usedots
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return self if self.length < length
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"#{self[0..length-3]}..."
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else
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self[0..length]
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end
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end
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def unindent
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gsub /^#{Regexp.quote(scan(/^\s*/).min_by{|l|l.length})}/, ""
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end
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def blank?
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return true if self == ''
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false
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end
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def not_an_integer?
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Integer(self)
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false
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rescue ArgumentError
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true
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end
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end
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