Is there cross-platform way of extracting or creating `ar' archives?
Daniel Brumbaugh Keeney
Re: ar archives
On Jan 11, 2008, at 06:03 AM, Daniel Brumbaugh Keeney wrote:
> Is there cross-platform way of extracting or creating `ar' archives?
ar(5) on my system says this:
> A file created with ar begins with the ``magic'' string "!<arch>
> \n". The rest of the archive is made up of objects, each of which
> is composed of a header for a file, a possible file name, and the
> file contents. The header is portable between machine
> architectures, and, if the file contents are printable, the archive
> is itself printable.
and proceeds to describe the latest version of the format which fits
in about 26 lines. It should be really easy.
It makes a note at the bottom of the magic strings for older versions
of ar, but these are probably ancient.
Re: ar archives
* Eric Hodel (email@example.com) wrote:
> On Jan 11, 2008, at 06:03 AM, Daniel Brumbaugh Keeney wrote:
>> Is there cross-platform way of extracting or creating `ar' archives?
[answer, which from a Mac user might only apply to BSD ar?]
Speaking of archive handling, a nice project for someone might be a Ruby
interface to BSD's libarchive, which would provide instant support
for tarballs of many different formats, cpio, pax, BSD/GNU ar, write
support for shar and read support for ISO images and zip archives, as
well as transparent gz/bz2/z handling. There's a Win32 port too.
Thomas 'Freaky' Hurst
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