Tar for ABAP

This is an implementation of the ustar and pax tar formats.

Archives can be compressed and decompressed using gzip and gunzip methods as well.

NO WARRANTIES, MIT License

Limitations: Block size is hardcoded to 512 bytes

Usage

Tar Files

Here's an example of how to tar a list of files.

DATA your_files TYPE zcl_tar=>ty_files.

DATA(tar) = zcl_tar=>new( ).

LOOP AT files INTO ls_file.
  tar->append(
    name     = file-name
    content  = file-content
    date     = file-date
    time     = file-time
    mode     = file-mode
    typeflag = file-typeflag ).
ENDLOOP.

DATA(tar_data) = tar->save( ).

" Gzip
DATA(packed_data) = tar->gzip( tar_data ).

Untar Files

Here's an example of how to untar a file.

DATA:
  your_data     TYPE xstring,
  unpacked_data TYPE xstring.

DATA(tar) = zcl_tar=>new( ).

" Gunzip
IF filename CP '*.tgz' OR filename CP '*.tar.gz'.
  unpacked_data = tar->gunzip( your_data ).
ELSE.
  unpacked_data = your_data.
ENDIF.

tar->load( unpacked_data ).

List the files and get file content:

DATA(files) = tar->list( ).

LOOP AT files INTO DATA(file).
  DATA(content)  = tar->get( file-name ).
  " ...
ENDLOOP.

You can use program Z_TAR_TESTER to test the methods:

• upload a tar file
• untar it
• tar it again
• save it as a clone of the original tar file

Prerequisites

SAP Basis 7.50 or higher

Installation

Install tar as a global module in your system using apm.

or

Specify the tar module as a dependency in your project and import it to your namespace using apm.

Contributions

All contributions are welcome! Read our Contribution Guidelines, fork this repo, and create a pull request.

You can install the developer version of ABAP Tar using abapGit by creating a new online repository for https://github.com/abapPM/ABAP-Tar.

Recommended SAP package: $TAR

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