• Changes
• Additions
• The future

• Collection of utitilites
• Originally hosted on the APL Wiki
• Originally 100% Classes
• Moved to GitHub
• Split into APLTree library and APL-cation collection

• Well documented
• Have a test suite
• Open Source with MIT (or similar) license

All members of the library project are now…

• managed with the package manager Cider
• available as Tatin packages

Cider as well as Tatin are part of a 19.0 installation of Dyalog.

Tip: investigate the Tatin Registry

• Dependency management
• Versioning
• No name clashes
• Allows hiding implementation details
• Easy loading (for trying a package out)
• Easy installation (for integrating into an application)
• Easy updating

• NuGet (.NET package manager) offers 350K packages
• npm (JavaScript package manager) offers 2.1 million packages

How to pick out the gems from the junk?

• Testimonies
• Badges
• Certificates
• Likes
• Number of downloads

???

• References

• Tatin packages — can now be ignored
• References — can now be ignored

• QNL report

• Handling of packages
• Handling of APIs
• Handling of references

ADOC now processes references to Tatin packages and package aliases the same way it processes the package itself.

• CodeCoverage
• DateTime
• FilePlus
• GitHubAPIv3
• HashPasswords
• Inno
• SMTP
• SQLFns
• Tester
• WinSCP_NET
• (Un-)Zipping: ZipArchive, DotNetZip, SevenZip
• CommTools

Reports which code in an application is fully, partly or not at all covered by tests.

Another (second) package that can do gymnastics with date and time.

Implemented by Davin Church.

Enhances what you can do with component files.

Implemented by Davin Church.

Interface between GitHub and Dyalog.

Salting and hashing of passwords.

Interface to the popular Inno Installer (Windows only).

Send emails from Dyalog via the SMTP protocol.

Interface to databases that understand SQL.

Implemented by Davin Church.

Simple test framework for testing functions and operators.

Implemented by Davin Church.

Interface to the FTP client WinSCP (Windows only)

Several packages allow zipping and unzipping: ZipArchive, DotNetZip, SevenZip

Communication tools particularly useful when communicating with a user from a user command.

• Can be interrupted
• Allow automated testing

• Provide information and wait until the user presses <enter>
• Force the user to make a decision
• Allow the user to select item(s) from a list
• Ask for some text (like a name)
• Ask for a number (like number of copies)

• ]Latest
• ]ListObjects
• ]CompareFiles
• ]Snippets

• In principle same as the built-in ]Latest
• Acts by default on files rather than the WS
• Can act on scripts & variables
• Can act on non-APL files

      ]latest  ⍝ all changes from last date
 #.Fire.Fire.GUI.SearchQNL.CreateGUI  2023-10-28 08:22:19
 #.Fire.Fire.History                  2023-10-28 08:25:13
 #.Fire.Fire.Version                  2023-10-28 08:28:22
      ]latest ¯2   ⍝ all changes from last two dates
 #.Fire.Fire.FindFireReadMe              2023-10-09 18:00:34
 #.Fire.Fire.GUI.CopyGuiToGlobal         2023-10-09 18:00:34
 #.Fire.Fire.GUI.CreateFind              2023-10-09 18:00:34
 #.Fire.Fire.GUI.CreateReportMenu        2023-10-09 18:00:34
 #.Fire.Fire.ReplaceAliase               2023-10-09 18:00:34
 #.Fire.Fire.ReplaceAliase_              2023-10-09 18:00:34
 #.Fire.Fire.ReportDiffs.CompileReport_  2023-10-09 18:00:34
 #.Fire.Fire.ShowReadMe                  2023-10-09 18:00:34
 #.Fire.Fire.ShowReleaseNotes            2023-10-09 18:00:34
 #.Fire.ToDo                             2023-10-09 18:00:34
 #.Fire.Fire.GUI.SearchQNL.CreateGUI     2023-10-28 08:22:19
 #.Fire.Fire.History                     2023-10-28 08:25:13
 #.Fire.Fire.Version                     2023-10-28 08:28:22

An enhanced version of ⎕NL.

]ListObjects
 --- 4 hits in # ----------------------------------------------
  ⎕NC  Name           Type
  ===  ====           ====
  9.4  APLTreeUtils2  Ref to Class
  9.1  FilesAndDirs   Ref to Namespace
  9.1  Fire           Namespace
  9.1  _tatin         Namespace

Makes a comparison utility available for other user commands.

• Work in progress
• What can be a snippet?
  • Functions
  • Operators
  • Scripts
  • A single line of code
  • Char vectors, vectors of char vectors, char matrices

Everything that is too small to be a package and used more than once ;) is a candidate.

• APLGit2

  Offers helpers for executing Git commands

• MakeHelpers

  Offers helpers that make the build process for a Tatin package or an application easier

For people using Windows who have installed more than one version of Dyalog.

• New options
  • Stop within StartUp script (19.0 onwards)
  • No trapping in StartUp script (19.0 onwards)
• New menu items in the “Edit” menu
  • Edit .NET bridge JSON files
  • Edit version-specific config file (.dcfg)
  • Edit version-agnosticconfig file (.dcfg)
• New menu item in the “Explore” menu
  • Report .NET configurations