Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/temperature/string.rb

Instance Method Summary collapse

Instance Method Details

#to_degrees ⇒ Object

Parse a string that looks like a temperature into a temperature of the right units. It handles strings of the format

35.1C
72K
-40F

Decimals are support, as are negative numbers. The units must be C, K, or F, and not have a space between the numer and the units



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# File 'lib/temperature/string.rb', line 13

def to_degrees
    if self =~ /^(-?)(\d+)\.(\d+)(F|C|K|R)$/
        tmp = "#{$1}#{$2}.#{$3}".to_f
        tmp.units = $4
        return tmp
    elsif self =~ /^(-?)(\d+)(F|C|K|R)$/
        tmp = "#{$1}#{$2}".to_f
        tmp.units = $3
        return tmp
    end
end