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#!/bin/bash
# bash_var_test.sh

# --- Global variable ---
count=5
echo "Initially: count = $count"

# --- Function that modifies it ---
modify_global() {
    echo "Inside function (before): count = $count"

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pandoc file.md -o output.pdf -V geometry:margin=1in

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void ExecuteConsoleCommand(const FString& Command)
{
    if (GEngine)
    {
        GEngine->Exec(GWorld, *Command); 
    }
}

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print("== torch-cuda test == ")
try:
        import torch
except ImportError:
        raise ImportError("torch not installed or found.")
use_cuda = torch.cuda.is_available()
print(f"Using cuda: {use_cuda}")

if use_cuda:
    print('__CUDNN VERSION:', torch.backends.cudnn.version())

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How to include OpenCV in Unreal Engine (tested in 5.3)

Add module to Build.cs

Add OpenCVHelper and OpenCV to your PublicDependencyModuleNames in your Build.cs.

Example:

// Copyright Epic Games, Inc. All Rights Reserved.
using UnrealBuildTool;

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# without saving version number
dpkg --get-selections | awk '{print $1}' > installed-packages.txt

# with version number 
dpkg-query -f '${binary:Package}=${Version}\n' -W > installed-packages-with-versions.txt

# install packages from txt file
xargs -a package-list.txt sudo apt-get install -y