Three simple steps
How to use this tool?
This free online converter translates COBOL source code into Ruby in three simple steps.
- Step 1
Add your COBOL code
Type, paste, or upload the COBOL code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Ruby.
- Step 3
Review the result
Review, copy, or download the resulting Ruby code from the output editor.
See it in action
Examples of COBOL to Ruby conversion
These examples show COBOL source code and the corresponding Ruby translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
COBOL code
Ruby code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
COBOL code
Ruby code
Language comparison
Key differences between COBOL and Ruby
| Characteristic | COBOL | Ruby |
|---|---|---|
| Syntax | COBOL uses a verbose and English-like syntax. | Ruby uses a concise and flexible syntax. |
| Paradigm | COBOL is primarily procedural and imperative. | Ruby is a multi-paradigm language, supporting object-oriented, procedural, and functional programming. |
| Typing | COBOL is statically typed. | Ruby is dynamically typed. |
| Performance | COBOL is known for its efficiency and performance in handling large-scale business applications. | Ruby is generally slower in performance compared to COBOL. |
| Libraries and frameworks | COBOL has a limited number of libraries and frameworks available. | Ruby has a wide range of libraries and frameworks, making it easier to develop applications. |
| Community and support | COBOL has a smaller and more specialized community with limited support. | Ruby has a large and active community with extensive support and resources. |
| Learning curve | COBOL has a steeper learning curve due to its verbose syntax and specific use cases. | Ruby has a relatively gentle learning curve, especially for beginners. |
Common questions
Frequently Asked Questions
How do I convert COBOL to Ruby?
Paste your COBOL code into the input box, confirm the languages are set to COBOL and Ruby, and click Convert. CodeConvert AI analyzes your COBOL code and generates equivalent Ruby code in seconds, preserving the original logic and structure.
What are the main differences between COBOL and Ruby?
COBOL and Ruby differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each COBOL construct to its closest Ruby equivalent. See the comparison table below for the key differences between COBOL and Ruby.
Is the converted Ruby code accurate?
The AI produces high-quality Ruby code that preserves the behavior of your original COBOL code and follows Ruby conventions. It handles common patterns, data structures, and idioms for both COBOL and Ruby. For large or performance-critical code, review and test the Ruby output before using it in production.
Can I convert an entire COBOL project to Ruby?
You can convert COBOL files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from COBOL to Ruby. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Ruby back to COBOL?
Yes. CodeConvert AI converts in both directions, so you can convert Ruby to COBOL just as easily using our Ruby to COBOL converter. Try the Ruby to COBOL Converter
Is the COBOL to Ruby converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert COBOL to Ruby without an account for up to 2 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
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