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Last update Sun Sep 8 21:42:01 2013

DIFFDIR: Compare Directories

diffdir recursively compares the contents of two directory trees. Files are compared by reading the files and comparing them byte-for-byte. All files, including hidden and system files, are compared.

diffdir switches... dir1 dir2

switches:

-v
Verbose

The output of the program will list files that are different from dir1 to dir2, prefixed by a character:

Character Prefixes
Prefix Description
- File exists in dir1 but not in dir2.
+ File exists in dir2 but not in dir1.
# File exists in both dir1 and dir2 but has different contents.

It's useful for:

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