https://github.com/rabestro/roman-numerals

A simple solution for roman to arabic numerals converter
https://github.com/rabestro/roman-numerals

arabic-numerals regex roman-number-converter roman-numerals streamapi tointfunction

Last synced: about 2 months ago
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A simple solution for roman to arabic numerals converter

• Host: GitHub
• URL: https://github.com/rabestro/roman-numerals
• Owner: rabestro
• License: mit
• Created: 2023-07-28T14:39:28.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2023-07-31T10:42:33.000Z (over 1 year ago)
• Last Synced: 2023-07-31T11:35:36.727Z (over 1 year ago)
• Topics: arabic-numerals, regex, roman-number-converter, roman-numerals, streamapi, tointfunction
• Language: Java
• Homepage:
• Size: 7.81 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Roman to arabic numeral converter

The repository contains AWK script to convert Roman numbers to Arabic numbers, as well as two Java implementations of the converter.

## AWK script

The script is located in the `src/main/awk` directory. It can be run as follows:

```shell

gawk -f roman-to-arabic.awk roman_numerals.txt

```

## Java implementations

The Java implementations are located in the `src/main/java` directory.

### Usage

```java

var converter = new RomanToArabicConverter();

var romanNumerals = Stream.of(

                "I", "II", "IV", "V", "VI", "IX", "X", "XIII", "XV", "XL",

                "L", "LXXX", "XC", "C", "CD", "D", "CM", "M", "MDCCCLXXXIV");

var arabicNumerals = romanNumerals.mapToInt(converter).toArray();

assertThat(arabicNumerals).containsExactly(

                1, 2, 4, 5, 6, 9, 10, 13, 15, 40,

                50, 80, 90, 100, 400, 500, 900, 1000, 1884);

```