gzip & Mac File Types
rcozens at pon.net
Sat Sep 14 09:55:01 EDT 2002
>In general, on Mac OS systems this is
>handled with the File Exchange control panel (nee "Easy Open" or "Macintosh
>Easy Open") - it maps between extensions and types, and most of the
relevant apps seem to use it.
Jeanne, et al:
This is fine for determining what app should open what file; but is
essentially useless for determining the original file type & creator
of a file that is now compressed and awaiting decompression.
>I don't have a handler to hand at the moment, but the detailed files will
>return the necessary info (you'll have to massage it to get the data for
>the specific file, and to get the type and creator info).
I'll take it from there; thanks, Jeanne.
Right now I'm leaning toward adding my own header with creator & file
type to the file data before compressing. This means my decompress
will only expand gzips created by my compression menuItem...not as
general as I would like; but it gets the main job done.
CCW, Serendipity Software Company
"And I, which was two fooles, do so grow three;
Who are a little wise, the best fooles bee."
from "The Triple Foole" by John Donne (1572-1631)
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