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3.50.0 | Updated: 31 Aug 2021



Downloads of v 3.50.0:



Software Author(s):

  • Paulo Moura

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Logtalk 3.50.0

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All Checks are Passing

3 Passing Tests

Validation Testing Passed

Verification Testing Passed


Scan Testing Successful:

No detections found in any package files


To install Logtalk, run the following command from the command line or from PowerShell:


To upgrade Logtalk, run the following command from the command line or from PowerShell:


To uninstall Logtalk, run the following command from the command line or from PowerShell:


NOTE: This applies to both open source and commercial editions of Chocolatey.

1. Ensure you are set for organizational deployment

Please see the organizational deployment guide

  • Open Source or Commercial:
    • Proxy Repository - Create a proxy nuget repository on Nexus, Artifactory Pro, or a proxy Chocolatey repository on ProGet. Point your upstream to https://community.chocolatey.org/api/v2. Packages cache on first access automatically. Make sure your choco clients are using your proxy repository as a source and NOT the default community repository. See source command for more information.
    • You can also just download the package and push it to a repository Download

3. Enter your internal repository url

(this should look similar to https://community.chocolatey.org/api/v2)

4. Choose your deployment method:

choco upgrade logtalk -y --source="'STEP 3 URL'" [other options]

See options you can pass to upgrade.

See best practices for scripting.

Add this to a PowerShell script or use a Batch script with tools and in places where you are calling directly to Chocolatey. If you are integrating, keep in mind enhanced exit codes.

If you do use a PowerShell script, use the following to ensure bad exit codes are shown as failures:

choco upgrade logtalk -y --source="'STEP 3 URL'"

Write-Verbose "Exit code was $exitCode"
$validExitCodes = @(0, 1605, 1614, 1641, 3010)
if ($validExitCodes -contains $exitCode) {
  Exit 0

Exit $exitCode

- name: Ensure logtalk installed
    name: logtalk
    state: present
    version: 3.50.0
    source: STEP 3 URL

See docs at https://docs.ansible.com/ansible/latest/modules/win_chocolatey_module.html.

chocolatey_package 'logtalk' do
  action    :install
  version  '3.50.0'
  source   'STEP 3 URL'

See docs at https://docs.chef.io/resource_chocolatey_package.html.

    Name: logtalk,
    Version: 3.50.0,
    Source: STEP 3 URL

Requires Otter Chocolatey Extension. See docs at https://inedo.com/den/otter/chocolatey.

cChocoPackageInstaller logtalk
   Name     = 'logtalk'
   Ensure   = 'Present'
   Version  = '3.50.0'
   Source   = 'STEP 3 URL'

Requires cChoco DSC Resource. See docs at https://github.com/chocolatey/cChoco.

package { 'logtalk':
  provider => 'chocolatey',
  ensure   => '3.50.0',
  source   => 'STEP 3 URL',

Requires Puppet Chocolatey Provider module. See docs at https://forge.puppet.com/puppetlabs/chocolatey.

salt '*' chocolatey.install logtalk version="3.50.0" source="STEP 3 URL"

See docs at https://docs.saltstack.com/en/latest/ref/modules/all/salt.modules.chocolatey.html.

5. If applicable - Chocolatey configuration/installation

See infrastructure management matrix for Chocolatey configuration elements and examples.

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This package was approved as a trusted package on 31 Aug 2021.


Logtalk is a declarative object-oriented logic programming language that extends and leverages the Prolog language with modern code encapsulation and code reuse mechanisms while also providing improved predicate semantics.

Implemented as a trans-compiler in highly portable, extensively tested, and well documented code, it can use most modern and standards compliant Prolog implementations as a backend compiler.

As a multi-paradigm language, it includes support for modules, prototypes, classes, protocols (interfaces), categories (components and hot patching), event-driven programming, and high-level multi-threading programming. Distributed under a commercial friendly license, it includes full documentation, portable libraries, portable developer tools, and a large number of programming examples to help get you started.

Package Parameters

  • /DIR - Installation directory (default is "C:\Program Files (x86)\Logtalk")

Example: choco install logtalk --params "'/DIR=%ChocolateyInstall%\lib\'"


  • The backend Prolog compilers you intend to use must be installed before installing Logtalk.

$ErrorActionPreference = 'Stop'

$packageArgs = @{
  packageName    = 'logtalk'
  fileType       = 'exe'

  checksum       = '0a22a50f5f8193284617e2892a29ea84f5fd96dd12fd748975f4a50823db28e0'
  checksumType   = 'sha256'
  url            = 'https://logtalk.org/files/logtalk-3.50.0.exe'

  validExitCodes = @(0)

$pp = Get-PackageParameters

if ($pp.DIR) {
  $packageArgs['silentArgs'] = "$($packageArgs['silentArgs']) /DIR=`"$($pp.DIR)`""

Install-ChocolateyPackage @packageArgs
$packageName = 'logtalk'
$installerType = 'EXE'
$silentArgs = '/SILENT'
$validExitCodes = @(0,1)

try {
	# HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Logtalk_is1
	$file = (Get-ItemProperty -Path "hklm:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Logtalk_is1").UninstallString
	Uninstall-ChocolateyPackage -PackageName $packageName -FileType $installerType -SilentArgs $silentArgs -validExitCodes $validExitCodes -File $file
} catch {

Log in or click on link to see number of positives.

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.

Version Downloads Last Updated Status
Logtalk 3.49.0 60 Tuesday, July 27, 2021 Approved
Logtalk 3.48.0 84 Tuesday, July 6, 2021 Approved
Logtalk 3.47.0 30 Tuesday, June 1, 2021 Approved
Logtalk 3.46.0 23 Tuesday, May 4, 2021 Approved
Logtalk 3.45.0 40 Tuesday, March 23, 2021 Approved
Logtalk 3.44.0 41 Wednesday, February 3, 2021 Approved
Logtalk 3.43.0 49 Tuesday, December 22, 2020 Approved
Logtalk 3.42.0 46 Monday, October 26, 2020 Approved
Logtalk 3.41.0 69 Monday, August 31, 2020 Approved
Discussion for the Logtalk Package

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  • This discussion is only about Logtalk and the Logtalk package. If you have feedback for Chocolatey, please contact the Google Group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
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  • Tell us what you love about the package or Logtalk, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
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