4gl

.4gl — 4GL Programming Language

Informix (now IBM) · 1985

Developer

Informix (now IBM)

Key Features

High-level programming language focused on ease of use and rapid development.
Integrated database access with embedded SQL.
Supports development of both character-based and graphical user interfaces.
Compiled for deployment on multiple operating systems.

Best For

Rapid development of database-centric business applications.
Developers already familiar with the Informix ecosystem.
Maintaining and extending existing Informix 4GL applications.

Less Ideal For

Modern web application development.
Cross-platform mobile app development.
System-level programming or operating system development.
General-purpose application development outside the Informix suite.

Common Use Cases

Developing business applications integrated with Informix databases.
Creating custom reports and data management tools.
Maintaining and enhancing existing legacy applications built with Informix 4GL.
Prototyping database-driven applications.

How to Open It

Open and edit the .4gl file in a plain text editor like Notepad++ or VS Code to view the source code.
To compile and run applications, you need the Informix 4GL development environment installed.
Specific IDEs or development tools designed for Informix 4GL can also open these files for development.

What is a .4gl file?

4GL files contain source code written in a fourth-generation programming language, primarily used for developing applications within the Informix 4GL environment. These files are human-readable and contain instructions for database interactions and user interface elements. They are compiled into executable programs that run on various platforms. Understanding their structure is key for developers working with legacy Informix database systems.

Programs That Open .4gl Files

Platform	Program
Windows	Informix 4GL Development	Paid	Official
macOS	Informix 4GL Development	Paid	Official
Linux	Informix 4GL Development	Paid	Official

Common Problems with .4gl Files

⚠️ Syntax errors preventing compilation.

Carefully review the code for typos, missing semicolons, or incorrect keyword usage. Consult the Informix 4GL documentation for correct syntax.

⚠️ Runtime errors related to database connectivity.

Ensure the Informix database server is running and accessible, and that connection parameters (like database name, user, password) are correctly configured in the application or environment.

Frequently Asked Questions

What is a 4GL programming language?▼

A 4GL (Fourth-Generation Language) is a programming language designed to be closer to human language than traditional third-generation languages like C or Java, focusing on making programming tasks easier and faster.

Can I run a .4gl file directly?▼

No, .4gl files are source code and must be compiled using the Informix 4GL compiler to create an executable program before they can be run.

Technical Details

4GL files are plain text files containing a high-level, declarative programming language. They include SQL statements embedded within the language constructs, facilitating database operations. The code is processed by the Informix 4GL compiler to generate native executables or intermediate code for a runtime environment.

Did You Know?

The '4GL' in the file extension signifies its origin as a fourth-generation programming language.

While Informix 4GL was very popular, its usage has declined with the rise of more modern web and mobile development technologies.

Security Information

As source code files, .4gl files themselves do not typically contain executable malware. However, if you are compiling and running code from an untrusted source, there is a risk of the compiled application performing malicious actions.