Re: scripting BOMArchiveHelper possible ?
Re: scripting BOMArchiveHelper possible ?
- Subject: Re: scripting BOMArchiveHelper possible ?
- From: Axel Luttgens <email@hidden>
- Date: Wed, 11 Oct 2006 14:49:59 +0200
On 5/10/06 22:51, Trudel, Gaetan wrote:
Hello,
I would like to know if BOMArchiveHelper on Mac OS 10.4.8 is scriptable.
I think I could script the UI to zip or unzip files or folders but i would
prefer to control the app directly.
The app seems to be hidden in the OS and I can't see or add it into the
Library list in Script Editor.
The app is located into:
/System/Library/CoreServices
But it doesn't seem have a dictionary (nor to be scriptable), so no
wonder if you can't add it to the Library list...
Now, it seems its executable may be invoked from a shell script,
allowing some kind of limited scriptability from within AppleScript
(through a "do shell script" command).
Some experiments from within Terminal.app, such as:
# cd to the executable's directory
cd /System/Library/CoreServices/BOMArchiveHelper.app/Contents/MacOS
# compress file "testfile" on my Desktop
# this creates file "testfile.cpgz" on my Desktop
./BOMArchiveHelper ~/Desktop/testfile
# uncompress the just created file
# this creates file "testfile 2" on my Desktop
./BOMArchiveHelper ~/Desktop/testfile.cpgz
tend to show that:
- compressed or uncompressed file is created in the same directory
as the orginal file
- the executable takes care for possible name conflicts
- the decision to compress or decompress a file seems to rely on an
inspection of the file's contents (very likely with the help of
the "file" command), not just on the file's extension
- various formats for compressed files seem to be handled
But I couldn't manage to force a compression format other than "cpgz".
(someone? ;-) )
An OSAX or script addition ?
There are so many options already available through commands (and thus
through "do shell script") that an addition might just prove redundant.
For example, you could have a look at the man pages for "ditto", "gzip"
and "tar" and pick up the one best suited for your needs.
Moreover, under 10.4+, those commands handle (almost perfectly, unless
your files have ACLs) the metadata associated to files and folders, such
as Finder comments or labels.
HTH,
Axel
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