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Re: Mac OS alias from Perl: msg#00024
lang.perl.macosx
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Subject: |
Re: Mac OS alias from Perl |
Yes the alias function in MacOSX is different than regular Unix. If
your software is targets a Unix server and not to only run under
MacOSX, it is much better to make the links on the Mac at the command
line with Unix ln command (e.g. ln -s -which is safer) to test and
maintain a consistent Unix environment. Fortunately Mac support of
regular Unix is really excellent and ln works as advertise on a Mac. By
the way, another "got-you" is the Mac filesystem. On new Mac computers
where the software is pre-installed, the filesystem ignores case. The
is not true in regular Unix. For example: in regular Unix, a file name
like "johnsfile" and "johnsFile" are considered different file. But on
the Mac, they are considered the same. But you have a true Unix
filesystem by reformating the disk to support case sensitive file
naming. This has hurt me several times till I reformated my drive.
Chris Devers wrote:
On Dec 8, 2007, at 7:06 PM, Celeste Suliin Burris
<csburris@xxxxxxxxxxxxx> wrote:
Use a symbolic link instead. Perl handles
those natively, and they can be
accessed from the command line. The Finder just treats them the same as
aliases.
Not quite. I forget the details at the moment, but Finder aliases are
kind of like "firm links": while hardlinks point to inodes, and
softlinks point to file pathnames, aliases point to the logical file in
a more robust way than symlinks. For example, if the reverent file
moves, symlinks break, but aliases shouldn't.
If you really want aliases, I think the CPAN modules of Dan Kogai and
Chris Nandor are the place to start. I forget who wrote what, but
modules like (I think) MacOS::File and Mac::Glue can either make the
right calls directly, or leverage Applescript / OSAscript to do this
for you.
Or if symlinks/softlinks are enough, just use the traditional Perl /
Unix methods to make those.
--
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Michael Barto
Software Architect
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LogiQwest
Inc.
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Huntington Beach, CA 92649
http://www.logiqwest.com/
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mbarto@xxxxxxxxxxxxx
Tel: 714 377 3705
Fax: 714 840 3937
Cell: 714 883 1949
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