diff - Command-line tool to display the differences between two files, or each corresponding file in two directories.

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5k views

Check whether two directories and their subdirectories are the same

With diff -r I can do this task, however it takes so long because diff checks file's content. I want something that determine that two files are the same regarding of their size, last modified, etc. ...
3
votes
1answer
3k views

How to fix “Hunk #1 FAILED at 1 (different line endings)” message?

I am trying to create a patch with the command git diff sourcefile >/var/lib/laymab/overlay/category/ebuild/files/thepatch.patch when I apply the patch, it gives me $ patch -v GNU patch 2.7.5 ...
3
votes
1answer
636 views

diff two directories for changes and format output to use for script

I currently try to monitor two directories and subdirectories for changes in files. The directories contain the same set of files, some of them are changed. So I thought I might use the diff command ...
3
votes
1answer
1k views

How to pipe diff into Kompare?

I want to quickly compare files in two different directories to see if the files are the same (same content). I want to see the results in Kompare (I'm on KDE - Kubuntu 12.04). Here's my diff command:...
3
votes
3answers
421 views

Track daily directory changes (and email them)

I have a Debian powered NAS server (ReadyNAS) with a deep file hierarchy. I'd like to get notified daily about what has changed in some of its directories and their subdirectories. So if someone ...
3
votes
1answer
189 views

git diff of copies that only added lines

Say I have two processes that append lines to copies of the same original (parent) file (copy_A and copy_B). If I diff these copies, can diff ever conclude that we have a conflict? (i.e. can it ever ...
3
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2answers
3k views

Difference of folders and files

I have two folders which have different folders inside. Those folders also contains different files. I am looking for the command that would give me the difference between those two parent folders. ...
3
votes
1answer
46 views

How to upload a file and then check it and run some other commands using only ssh, cat, and diff in a single SSH session?

The goal is to change some parameters on a lot of devices on connections that are kind of unreliable (wireless)--according to csv that has the format: IP,Parameter,Parameter I would like to make a ...
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0answers
2k views

diff -r only for certain file types

Is there a way I can perform a recursive diff of two directories but only compare (in their respective places) files that match a specific filename or filetype predicate? E.g. I would like to do ...
2
votes
1answer
1k views

Pipe diff file into patch?

Is there a way to pipe the diff output into patch? The -i parameter is for specifying a diff file, but I just want to do it more dynamically, since I will be updating regularly against a directory ...
2
votes
3answers
4k views

Comparing text files using Bash and AWK

I have two text files, and I want to compare their corresponding values according to their rows and columns. By comparing, I mean to check if the values are equal and echo if the values are the same ...
2
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2answers
278 views

Applying a diff patch

I've never patched anything in Linux, and I can't exactly figure out what the guy who wrote this post (second paragraph) means. That target source is qemu from github and the changes to apply are: ...
2
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2answers
181 views

Find differences in file and sorting file by key

So I have two language files, english and french. They are in this format: key=translation An example in English would be: ui.title=My Title And in French: ui.title=Mon Titre So I need a ...
2
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3answers
2k views

compare files line by line and create new one bash programming

I have two text files. File 2 has logs over 1,000,000. File 1 has IP addresses line by line. I want to read file 2 lines and search these lines in file 1, I mean: file 1: 34.123.21.32 45.231.43.21 ...
2
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2answers
103 views

How can I show the number of positions lines have moved in diff output?

top1 1,facebook.com 2,google.com 3,youtube.com 4,yahoo.com 5,wikipedia.org 6,baidu.com 7,live.com 8,amazon.com 9,qq.com 10,twitter.com top2 1,facebook.com 2,google.com 3,youtube.com 4,yahoo.com 5,...
2
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2answers
457 views

How to compare two directories thoroughly without git?

Here thoroughly means “list all differ files, find those files with same name and different content, list the difference of content”. Before I got a lazy solution, git init one directory and copy ...
2
votes
4answers
987 views

How to make diff command ignore certain lines of second file(bash)?

For example: file1.txt: I need to buy apples. I need to run the laundry. I need to wash the dog. I need to get the car detailed. file2.txt I need to buy apples. I need to run the laundry. I need ...
2
votes
3answers
872 views

Diff 2 files ignoring strings between @ and [

I am comparing two files. I am trying to ignore the alphanumeric characters after @ and before [ . A line looks like model.Field@d6b0d6b[fieldName
2
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2answers
104 views

Was 'diff' included in the first version of Linux

What is the list of programs that were available in the first public version of Linux distribution (not just kernel)? I am specially concerned when this distribution was released and if diff utility ...
2
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1answer
204 views

How can we compare two same directories in linux and list different files

Suppose I have same version of linux kernel but I changed some driver lines. Is there any way to compare these kernels and list the results. The result would be helpful to go back if I changed a lot ...
2
votes
2answers
129 views

how to count number of differences in large streams quickly?

I want to count the number of differences (different bytes) in two large streams (devices/files). E.g. two hard disks, or one hard disk and /dev/zero. The program(s) involved must be fast, as fast ...
2
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2answers
305 views

Live diff-mode editing in vim

I want a live view of diffs while I am editing a file. vimdiff is able to do something I want, like highlighting the differences between two files. However there are two drawbacks of vimdiff that ...
2
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2answers
91 views

Keep patch in sync with changing source

Is there any standard option to create 'patch' P that works on file F in such way that it will keep working correctly when file F changes into F'. So I will either have some mechanism that will ...
2
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2answers
38 views

git --diff like command for Linux local dirs

dir1 has 1 file and dir2 has 2 files as below: /tmp$ ls dir1 file1 /tmp$ cat dir1/file1 line1 line2 line3 /tmp$ ls dir2 file1 file2 /tmp$ cat dir2/file1 line1 /tmp$ cat dir2/file2 line1 /tmp$ diff ...
2
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3answers
340 views

Difference between files in directory

I have two directories with same files but with some difference in their contents. I want to list down those files which are differing. For example There are two folders Folder1 and Folder2 with ...
2
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2answers
57 views

What optimized tools are available for comparing directory contents?

I am mirroring a Subversion repository tag with svn2git and I want to be sure that when I checkout particular revisions, those I obtain from the git mirror match those from Subversion. My main problem ...
2
votes
3answers
4k views

Compare two files and print unmatched lines [duplicate]

I have two files with the below data; I need the difference between two files. I tried with diff but it also shows line which are common in the two files: (22372 Dec 4 15:36 /opt/apache-tomcat-6.0....
2
votes
2answers
144 views

Using Diff with -y to get side-by-side output

I am trying to use diff with -y to get side-by-side output, but my output gets messed up after about 18 lines. Here is an example, any clue why? (Check from *.java_pool_size=134217728) : *....
2
votes
2answers
2k views

diff binary files of different sizes?

Is there a neat way to see the difference between two binary files? They are mostly the same, but some bytes are changed, and one of the files has sequences inserted in some places. Diffing the ...
2
votes
1answer
260 views

Is there a way to define the preferred merge or diff tool under Unix?

I know that you can define the preferred editor by setting the EDITOR environment variable. My question is if there is a similar solution for setting the preferred merge or diff tool.
2
votes
1answer
4k views

Patching a file (in this case dwm) and failed hunks

I'm trying to add the transparency patch to dwm. I downloaded the .diff file and in my dwm directory ran this: max@linux-vwzy:~/misc/dwm/dwm-5.9> patch < dwm-transparency.diff patching file ...
2
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2answers
1k views

Comparing files and their properties

I get information of a certain set of files in my mail every day, which looks like this: 58623208 Sep 14 20:08 blbn_blfbe_drv 57904920 Sep 14 19:54 blbn_cycmn 55814208 Sep 14 06:02 clsa_Upd 38912000 ...
2
votes
3answers
2k views

Total Commander “compare content” like alternative?

I'm searching a GUI [or CLI] tool that can produce output like the Total Commander compare content function does! For example: Are there any that do that? It's a very handy tool and I miss it
2
votes
1answer
33 views

Compare two files, while overriding second file's size

I am trying to verify a backup that I made using the following command: dd if=/dev/sda of=/dev/sdc2 I backed up the contents of /dev/sda (internal hard drive) to /dev/sdc2 (external backup drive, ...
2
votes
1answer
288 views

How to apply simple patch (reverse detected)

I'm trying to create and apply a simple patch to fix a bug with gradle. I copy the file (/usr/bin/gradle) to my working directory, then make the change. I then create the patch: diff -u /usr/bin/...
2
votes
1answer
332 views

Diff tool with nice output like kdiff3

I like kdiff3 very much due to the way it displays the result. It can compare more than two versions of a file or directory and displays the differences in columns: For directories, it displays ...
2
votes
3answers
713 views

check if all files from a folder are also in another folder

I basically have a directory a with lots of images. Now I want to check if all of these images are in directory b. The point is, that lots of images in b ain't directly in b but in subdirectories. ...
2
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2answers
246 views

Diff dpkg files with local copies

Is there a way of diffing the dpkg files with the one that are actually installed? Or barring that a way to find ones that have been modified?
2
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2answers
88 views

How to show names of files being compared?

I used diff --from-file to compare my Riak dev1 config to the three others. diff --from-file ~/riak/dev/dev1/etc/app.config \ ~/riak/dev/dev2/etc/app.config \ ~/riak/dev/dev3/etc/app.config \ ~/riak/...
2
votes
1answer
552 views

RANCID like configuration differ for linux applications

I'm looking for a RANCID-like (http://www.shrubbery.net/rancid/) config management tool - the catch is that I want to manage config files for Linux applications like mysql, apache, memcache, varnish, ...
2
votes
1answer
405 views

password problem when feeding a remote file into diff

When I want to compare a local file with a remote file, any of these usually works: $ ssh remote cat file | diff file - $ diff file <(ssh remote cat file) However, sometimes (especially when the ...
2
votes
1answer
23 views

diff - showing changed lines in different section than inserted lines

(I'm running into this in a context of using vimdiff, which relies on and interprets the output of diff, so I think this is a diff question.) Given these files, the first having 2 lines, the second ...
2
votes
2answers
130 views

How can I check if a directory contains the same files of a TAR archive?

Let's say I have a folder Documents and a TAR file Documents.tar, how to check if the tar file contains the same files that are present in the directory? The more obvious solution to me would be to ...
2
votes
1answer
67 views

Vim and unified diffs

In my daily work, I only deal with unified diffs, so I would like to define the alias alias diff='diff -puN' in my .zshrc. This alias is not respected when I use the shell from the vim command ...
2
votes
1answer
25 views

How to determine the only additional file in otherwise two identical listings?

I have done a listing of the device folder two times, one time without the sd-card in the slot and one time inserted, the system automatically adds one file in the device folder. $ ls /dev | wc -l ...
2
votes
1answer
3k views

How to compare two tar archives (including file content, new/removed files, symlinks)?

I have two tar archives (compressed or not compressed), and I want to find all differences in the two archives. Both archives contain a complete file system (i.e. when unpacked, would generate ...
2
votes
1answer
469 views

Compare all text files in a directory, and sort by similarity

In Unix, is there any way to compare every text file in a directory to every other text file in the directory, and then sort each pair of files by similarity (using the diff utility)? There are ...
2
votes
0answers
37 views

Why do two directories differ after syncing with rsync?

I copied some directories on one removable drive to another removable one using rsync. The command used was: rsync -avPS <source> <destination> rsync doesn't report any errors. After ...
2
votes
1answer
48 views

Using diff to show both contents of new files and that new empty files are created [duplicate]

After executing these 4 commands, directory "a" has file "1" with contents "test" and file "2" which is empty, and directory "b" is empty. $ mkdir a $ mkdir b $ echo test > a/1 $ touch a/2 We ...
2
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0answers
563 views

Highlight differences between two files, similar to what watch -d produces

The command watch -d produces a very interesting diff: it shows the most recent iteration of the command, and highlights (with inverse video) the differences to the previous iteration. This works ...