finding difference between 2 directory recursively

yayati · #1 (**permalink**) 04-09-2008

Hi,
i'm trying to compare two directories in Unix.
I need a recursive search ie my shell script should also compare common files in those two directory and so on...
any clues.. ??

ShawnMilo · #2 (**permalink**) 04-09-2008

Please elaborate as to what your ultimate goal is.

Here's one idea:

For each directory, do a "find ." and save the output to a file. In each file, strip out the first part of the path (which would be different between the two files). Cat the files together, piped to "sort | uniq -c" and save that output.

The result will be that if your output file shows a 1 before the line, then that file exists only in one of the two directories, and if a 2, then it exists in both.

ShawnMilo

denn · #3 (**permalink**) 04-09-2008

do a man for dircmp
Note: you might want to send the output to a file, and also pipe it to uniq to get rid of some of the blank lines.

Code:

dircmp -s /dir1 /dir2 

dircmp -s /dir1 dir2 | uniq > outfile

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