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The 00:11:22:33:44:55 is whatever you want your new MAC address to be. Sometimes sudo should be used in front if you need to.
Usage: upto directory
Usage: jd dir
Requires globstar. To set globstar use:
shopt -s globstar
Checks if a web page has changed. Put it into cron to check periodically.
Change http://www.page.de/test.html and email@example.com for your needs.
this takes every jpg in the current directory and changes the exif data for manufactur and model. in my case i change it to LOMO LC-A because my scanner puts his data in there :]