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文件对比

2013-11-22 22:34 441 查看
文件差异、相似度对比，经常用到，在此做一个总结

Google: Linux md5 compare sub directories

md5sum

find./rips-0.54/ -type f -print0 | xargs -0 md5sum

md5sum -cfile.md5

md5sum -c file.md5 | grep FAILED$ >failed_hashes

md5sum -c file.md5 | grep -v OK$ >failed_hashes

md5deep

http://sourceforge.net/projects/md5deep/

ssdeep

$ cd/data/src/

$ wgethttp://downloads.sourceforge.net/project/ssdeep/ssdeep-2.10/ssdeep-2.10.tar.gz

$tar xzvf ssdeep-2.9.tar.gz

$ cd ssdeep-2.9/

$ ./configure

$make

$ sudo make install

$ ssdeep-h

ssdeep version 2.10 by Jesse Kornblum

Copyright (C) 2013Facebook

Usage: ssdeep [-m file] [-k file] [-dpgvrsblcxa][-t val] [-h|-V] [FILES]

-m - Match FILES against known hashesin file

-k - Match signatures in FILES against signatures infile

-d - Directory mode, compare all files in a directory

-p- Pretty matching mode. Similar to -d but includes all matches

-g- Cluster matches together

-v - Verbose mode. Displays filenameas its being processed

-r - Recursive mode

-s - Silent mode;all errors are supressed

-b - Uses only the bare name of files;all path information omitted

-l - Uses relative paths forfilenames

-c - Prints output in CSV format

-x - CompareFILES as signature files

-a - Display all matches, regardlessof score

-t - Only displays matches above the giventhreshold

-h - Display this help message

-V - Displayversion number and exit

diff

diff -q -r./rips-0.54/ ./rips-0.541/

rsync

rsync -lrthvcn--delete /home/source/dir /home/destination/dir

GREP

root@gnu:~#cat 11.txt

1

2

3

a

c

root@gnu:~# cat 22.txt

a

b

c

2

3

root@gnu:~# grep -Fxvf 11.txt 22.txt

b

root@gnu:~# grep -Fxvf 22.txt 11.txt

1

comm -13<(sort file1) <(sort file2) > file

diff file1 file2 >file3

join -v 2 <(sort file1) <(sort file2) > file3

参考

http://www.linuxquestions.org/questions/linux-software-2/how-to-create-md5sum-for-a-directory-689242/ http://stackoverflow.com/questions/9473552/how-to-compare-two-directories-subdirectories-while-ignoring-certain-directory-n http://www.aldeid.com/wiki/Ssdeep
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