Install opensource COBOL 4J v1.0.17

We have confirmed that opensource COBOL 4J v1.0.17 works on Ubuntu and AlmaLinux.

Manual install

Install dependencies

Run the following command.

sudo apt-get update
sudo apt-get install -y default-jdk build-essential bison flex gettext texinfo libgmp-dev autoconf

Install opensource COBOL 4J

curl -L -o opensourcecobol4j-v1.0.17.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.0.17.tar.gz
tar zxvf opensourcecobol4j-v1.0.17.tar.gz
cd opensourcecobol4j-1.0.17
./configure --prefix=/usr/
make
sudo make install

Set $CLASSPATH

Add /usr/lib/opensourcecobol4j/libcobj.jar to the environment variable $CLASSPATH.

Install with Docker

The docker container for opensource COBOL 4J is available.

docker pull opensourcecobol/opensourcecobol4j:1.0.17

Execute the following commands in order to run the "Hello World" COBOL program.

# Move to the sample directory
$ cd /root/cobol_sample

# Translate COBOL to Java and compile the Java source file.
$ cobj HELLO.cbl

# Run "Hello World"
$ java HELLO
HELLO WORLD!