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Getting Started
Nicolas Trüssel edited this page Jan 25, 2016
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To use the etar library, one does not have to know anything about the used formats. The following pieces of code illustrate, how an archive can be extracted and created:
unarchive (a_file: FILE)
-- Unarchive `a_file'
local
l_archive: ARCHIVE
do
create l_archive.make (create {FILE_STORAGE_BACKEND}.make_from_file (a_file))
l_archive.add_unarchiver (create {FILE_UNARCHIVER})
l_archive.add_unarchiver (create {DIRECTORY_UNARCHIVER})
l_archive.open_unarchive
l_archive.unarchive
end
archive (a_file: FILE; a_archive_file: FILE)
-- Archive `a_file' to new archive `a_archive_file'
require
plain_file: a_file.is_plain
local
l_archive: ARCHIVE
do
create l_archive.make (create {FILE_STORAGE_BACKEND}.make_from_file (a_file))
l_archive.open_archive
a_archive.add_entry (create {FILE_ARCHIVABLE}.make (a_file))
l_archive.close
end
ARCHIVE explains more details about the exact usage of etar's central class.
Additionally, one can find further examples under https://github.com/ntruessel/etar/tree/master/examples