Use Finder aliases at the command line, compare extended attributes of two files, and normalise Unicode strings.
cmp
Comparing the contents of archive files, such as .sit(x) and .zip archives, can be simple, but quickly gets more complex.
This new version adds a simple tool to discover any differences in extended attributes between two files.
Comparing the data in two files is easy, but what about its extended attributes? There hasn’t been a simple tool to do that, until now.
The Eclectic Light Company 