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SAS_PACKAGES - a SAS Packages Framework and Repository


Intro:

A SAS package is an automatically generated, single, stand alone zip file containing organised and ordered code structures, created by the developer and extended with additional automatically generated "driving" files (i.e. description, metadata, load, unload, and help files).

The purpose of a package is to be a simple, and easy to access, code sharing medium, which will allow: on the one hand, to separate the code complex dependencies created by the developer from the user experience with the final product and, on the other hand, reduce developer's and user's unnecessary frustration related to a remote deployment process.

In this repository we are presenting the SAS Packages Framework which allows to develop and use SAS packages. The latest version of SPF is 20210528.

To get started with SAS Packages try this Getting Started with SAS Packages presentation (see the ./SPF/Documentation directory).

The documentation and more advance reading would be the SAS(r) packages - the way to share (a how to)- Paper 4725-2020 - extended.pdf article (see the ./SPF/Documentation directory).

Short description of the SAS Packages Framework macros can be found here

Videos (the newer the better):


The User:

To use a package:

  • Create a folder for your packages, under Windows OS family, e.g. C:/SAS_PACKAGES or under Linux/UNIX OS family, e.g. /home/<username>/SAS_PACKAGES.

and then either:

  • Download the SPFinit.sas file (the SAS Packages Framework) into the local packages folder.
  • [Optional] Manually download the <packageName>.zip file into the local packages folder.
  • and Execute:
filename packages "<directory/containing/packages/>"; /* setup directory for packages */
%include packages(SPFinit.sas); /* enable the framework */

/* %installPackage(packageName) */ /* install the package, unless you downloaded it manually */

%helpPackage(packageName)    /* get help about the package */
%loadPackage(packageName)    /* load the package content into the SAS session */

or if you need it just for "one time" only Execute:

filename packages "%sysfunc(pathname(work))"; /* setup temporary directory for packages in the WORK */
filename SPFinit url "https://raw.githubusercontent.com/yabwon/SAS_PACKAGES/main/SPF/SPFinit.sas";
%include SPFinit; /* enable the framework */

%installPackage(packageName) /* install the package */
%helpPackage(packageName)    /* get help about the package */
%loadPackage(packageName)    /* load the package content into the SAS session */

Workshop video for the User [May 6th, 2020] [a bit outdated but gives the idea how it works]


The Developer:

To create your own package:


If you have any questions, suggestions, or ideas do not hesitate to contact me!


Update[October 15th, 2020]: %previewPackage() macro is available.

Update[September 11th, 2020]: %loadPackageS() and %verifyPackage() macros are available.

Update[July 30th, 2020]: All components of SAS Packages Framework are now in one file SPFinit.sas (located in the ./SPF directory). Documentation moved to ./SPF/Documentation directory. Packages zip files moved to ./packages directory.

Update[June 10th, 2020]: To see help info about framework macros and their parameters just run: %generatePackage(), %installPackage(), %helpPackage(), %loadPackage(), and %unloadPackage() with empty parameter list.

Update[June 3rd, 2020]: %installPackage() macro is available. The %installPackage() macro is embedded in the loadpackage.sas part of the framework.


Where the SAS Packages Framework is used:

This is a list of locations where the SAS Packages Framework is used. If you want to share that you are using SPF let me know and I'll update the list.

The List:

  • Europe
    • Poland
      • Warsaw

Available packages:

Currently the following packages are available (see the ./packages directory):

  • SQLinDS[2.2], based on Mike Rhoads' article Use the Full Power of SAS in Your Function-Style Macros. The package allows to write SQL queries in the data step, e.g.
  data class;
    set %SQL(select * from sashelp.class order by age);
  run;

SHA256 digest for SQLinDS: 1853CD6262CF66582A33C373AA612CA714B61CB88A1C51745E7A57D5A03C39B4

Documentation for SQLinDS

  • MacroCore[1], a macro library for SAS application developers. Over 100 macros for Base SAS, metadata, and Viya. Provided by the SASjs framework.

SHA256 digest for MacroCore: A23C29529F3CE7D0C8BEE9545C5D22D5B5594907547374A5135B8E5A48D7687B

Documentation for MacroCore

  • DFA (Dynamic Function Arrays)[0.5], contains set of macros and FCMP functions which implement: a dynamically allocated array, a stack, a fifo queue, an ordered stack, and a priority queue, run %helpPackage(DFA,createDFArray) to find examples.

SHA256 digest for DFA: 22AB51B85E3344B8C0FB7AF164247881B656F5CBA88BBA974AD8BC41ED79327F

Documentation for DFA

  • macroArray[0.8], implementation of an array concept in a macrolanguage, e.g.
  %array(ABC[17] (111:127), macarray=Y); 
  
  %macro test();
    %do i = 1 %to 17; 
      %put &i.) %ABC(&i.); 
    %end;
  %mend;
  %test() 
  
  %let %ABC(13,i) = 99999; /* i = insert */

  %do_over(ABC, phrase=%nrstr( 
      %put &_i_.%) %ABC(&_i_.); 
      ),
      which = 1:H:2
  );

SHA256 digest for macroArray: 849629D3AF3FE3AB45D86990E303F1D5E4D5F9F31C8ED6864C95B0DFAADCA445

Documentation for macroArray

  • BasePlus[0.992] adds a bunch of functionalities I am missing in BASE SAS, such as:
call arrMissToRight(myArray); 
call arrFillMiss(17, myArray); 
call arrFill(42, myArray); 

rc = delDataset("DataSetToDrop"); 

string = catXFn("date9.", "#", myArray);

format x bool.;

%put %getVars(sashelp.class, pattern = ght$, sep = +, varRange = _numeric_);

SHA256 digest for BasePlus: C9D26CAC2504634EF25F02B5BD04596B2F873E3C25E8CEDDD7F496A78B184E9F

Documentation for BasePlus

  • GSM (Generate Secure Macros)[0.14], package allows to create secured macros stored in SAS Proc FCMP functions. The dataset with functions can be shared between different operating systems and allows to generate macros on site without showing their code.

SHA256 digest for GSM: 93D88D4465B68984E938212241DE55C7B12EBC20601538553AC9E1AC0628C006

Documentation for GSM

  • dynMacroArray[0.2], set of macros (wrappers for a hash table) emulating dynamic array in the data step (macro predecessor of DFA)

SHA256 digest for dynMacroArray: 67956116578E71327748B7EB3DAFF9D872DBC6F6EDD0DC11B7CF2A54FDA71785

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