I'm looking for a way to create preprocessed .gz files of static pages to serve up to those browsers that can accept them.
I know I can use:
gzip -c --best index.html > index.html.gz
to create the .gz file _and_ keep the original.
What's the proper command line way to run that on each index.html file in all the subdirectories? There's a way via find and/or xargs, right? Can it be done from the command line, or do I need a script?
Also, if I run the cron as a user other than root (i.e. my apache user) will the resulting gzip be owned by apache or do I have to chown it?
Scripts are just canned command lines; if you can run it from the command line, you can put it in a script, and vice versa.
I believe gzip will preserve ownership of files but you can't use the -c option and redirection then. Of course, the user running the script will need write access to the files and directories you want to modify in any event.
To keep the originals as well, something a bit more complex is called for. The new files will be owned by the user who created them, and their permissions will be controlled by the user's umask.
The sh is needed here because that's what handles redirection. Equivalently, you could create put those commands in a small script, and run that from xargs or find -exec on each file in turn. Here's an example.
Here's a slightly more elaborate script which handles multiple files and sets the permissions and ownership of the new files. Still, you could put those same commands in the arguments to sh -c if you don't want to create a physical script file for some reason.
Now if you had saved this in $HOME/zipper (and chmod +x of course) you could run
Last edited by era; 08-14-2008 at 03:38 AM..
Reason: Noticed you want to keep the originals; add sample script for calling from xargs
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