Number formulas

In Ruby, Fixnum refers to integers, e.g. 9, 10, 11, while Float refers to decimals, e.g. 1.75.

Workato supports a variety of number formulas. Formulas in Workato are whitelisted Ruby methods, and therefore not all Ruby methods are supported. You can always reach out to us to add additional formulas to the whitelist. Syntax and functionality for these formulas are generally unchanged. Take note that most formulas will return an error and stop the job if it tries to operate on nulls (expressed as nil in Ruby), except for present?, presence and blank?.

You can refer to the complete Ruby documentation for Fixnum (integers) here as well as the Ruby documentation for Float (decimals) here.

Arithmetic operations

In the cases of arithmetic operations, whether the values are of integer types or decimal (float) types are important. Formulas will alway stick to the types given as input, and the returned result will be of the most precise type.

For example:

  • If integer values are provided, an integer value will be returned.
  • If float values are provided, a float value will be returned.
  • If both float and integer values are provided, a float value will be returned, as that is more precise.

The add (+) operator

This operator allows the addition of operands on either side. This section talks about number arithmetics. Date arithmetics is possible as well and can be found here.

Example

Example Result Type
4 + 7 11 Fixnum
4.0 + 7 11.0 Float
4.0 + 7.0 11.0 Float

The subtract (-) operator

This operator subtracts the right hand operand from the left hand operand. This section talks about number arithmetics. Date arithmetics is possible as well and can be found here.

Example

Example Result Type
4 - 7 -3 Fixnum
4.0 - 7 -3.0 Float
4.0 - 7.0 -3.0 Float

The multiply (*) operator

This operator multiplies the operands on either side.

Example

Example Result Type
4 * 7 28 Fixnum
4.0 * 7 28.0 Float
4.0 * 7.0 28.0 Float

The divide (/) operator

Divides left hand operand by right hand operand.

Example

Example Result Type
4 / 7 0 Fixnum
4.0 / 7 0.571428... Float
7 / 4 1 Fixnum
7 / 4.0 1.75 Float
7.0 / 4 1.75 Float
7.0 / 4.0 1.75 Float

The modulo (%) operator

Divides left hand operand by right hand operand and returns the remainder.

Example

Example Result Type
4 % 7 4 Fixnum
4.0 % 7 4.0 Float
4 % 7.0 4.0 Float
7 % 4 3 Fixnum
7.0 % 4.0 3.0 Float

Other number formulas

abs

This function returns the absolute (positive) value of a number.

Example

Example Result Type
-45.abs 45 Fixnum
45.abs 45 Fixnum
-45.0.abs 45.0 Float
-45.67.abs 45.67 Float

round

Rounds off a numerical value to a specified after the formula. Accepts negative values.

Example Result Type
1234.567.round 1235 Fixnum
1234.567.round(2) 1234.57 Float
1234.567.round(-2) 1200 Fixnum

Conditionals

blank?

This function checks the input and returns true if it is a null or an empty string.

Example

Example Result
" ".blank? true
null.blank? true
-45.blank? false
0.blank? false

presence

This function will check the input number, returning its value if there is one present, else returning nil.

Example

Example Result Type
" ".presence nil nil
null.presence nil nil
-45.presence -45 Fixnum
0.presence 0 Fixnum
45.0.presence 45.0 Float
-45.0.presence -45.0 Float

present?

This function will check the input, returning true if there is a value present. If input is null or an empty string, formula returns false.

Example

Example Result
" ".present? false
null.present? false
-45.present? true
0.present? true
45.0.present? true

Conversions

to_i

This function can be used on a number to only take its integer value. Floats will be rounded down. To round to closest integer, use the round formula instead.

Example

Example Result Type
45.67.to_i 45 Fixnum
-45.67.to_i -45 Fixnum
45.to_i 45 Fixnum
-45.to_i -45 Fixnum
0.to_i 0 Fixnum

to_f

This function can be used on a number to retain its decimal values. When applied to an integer, it converts the data type from fixnum to float.

Example

Example Result Type
45.67.to_f 45.67 Float
-45.67.to_f -45.67 Float
45.to_f 45.0 Float
-45.to_f -45.0 Float
0.to_f 0 Float

to_s

This function converts a number into a string.

Example

Example Result Type
45.67.to_s "45.67" String
-45.67.to_s "-45.67" String
45.to_s "45" String
-45.to_s "-45" String
0.to_s "0" String

to_currency

This function converts a number into a currency string. The number of decimal places to round to can be defined with an additional parameter.

By adding a parameter with a locale and country code, it will add the appropriate currency symbol.

Example

Example Result Type
45.678.to_currency $45.68 Currency
45.6789.to_currency(precision:3) $45.678 Currency
45.67.to_currency(locale: fr) 45.67 € Currency

to_phone

This function converts a number into a formatted phone number. By default, the delimiter is a dash (-), but delimiters can be specified via a parameter.

By adding a parameter with area code: true, the first three numbers will be enclosed in brackets, representing the area.

By adding a parameter with extension: number, the formatted phone number will have the extension appended at the end.

By adding a parameter with country_code: number, the formatted phone number will be prefixed with the country code.

Example

Example Result
1112223333.to_phone "111-222-3333"
1112223333.to_phone(delimiter: " ") "111 222 3333"
1112223333.to_phone(area_code: true) "(111) 222-3333"
1112223333.to_phone(country_code: 1) "+1-111-222-3333"
1112223333.to_phone(area_code: true, country_code: 1) "+1-(111) 222-3333"
1112223333.to_phone(extension: 444) "111-222-3333 x 444"

Converting other data types to numbers

To convert a value of other data types, e.g. string, date, into an integer or a float, use the to_i and the to_f formulas respectively.

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