Comparing Directory Structures/Files (perferably with a checksum)

I have to different directories that I would like to compar bit by bit, byte by byte......
I would like to compare them using some kind of check sum preferably. and to top this
all off its too much to do manualy and it needs to be done regularly with minimal effort preferd....

Thanks...
EHart7Asked:
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shivsaCommented:
GNU has Diffutils.
This is the manual link. I think it may solve your purpose.

http://tuxisland.org/download/documentations/diffutils/diff.pdf.
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GnsCommented:
As shivsa says, diff is probably the easy route here... something like
diff -r --brief dir1 dir2
would perhaps be enough? This will just report whether there are any differences between the directories (files only in one place or the other, if the files differ... If they match, this is "silent").
I use this in a script to check some wget mirror data for ... "new arivals" (it's for antivirus updates).

One could of course do something interresting with find and md5sum, but it would perhaps be a bit .... overkill.

-- Glenn
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