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

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1answer
68 views

Interactive backup tool

I am looking for a backup (or diff) tool where I can select interactively which file I want to copy towards my external hard-disk. Let me explain with further details: I have two computers and an ...
6
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2answers
537 views

Same file, different filename due to encoding problem?

I was about to diff a backup from it's source to manually verify that the data is correct. Some chars, like åäö, is not shown correctly on the original data but as the clients (over samba) interpret ...
1
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2answers
101 views

How can I load the right hand pane of vim with a new file in linux?

I want to compare two files(say A and B) side by side(vertically) in in Vim. I open one of those two files(say A) and as per this answer in this site issue a Ctrl+w v . Now both the panels are showing ...
2
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0answers
147 views

Using Unison with colordiff

I want Unison to show the diffs with colordiff. I’ve got diff = colordiff -u CURRENT2 CURRENT1 | less -R in my config file but it seems like Unison pipes the output to plain less nonetheless, so I ...
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2answers
94 views

Reduce redundant logfile

I often have longer redundant log files, redundant in the sense that blocks of text repeat with minor changes. The length of the files makes it difficult to spot the actual information. I had the idea ...
4
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6answers
2k views

how to use patch and diff to merge two files

I have read about diff and patch but I can't figure out how to apply what I need. I guess its pretty simple, so to show my problem take these two files: a.xml <resources> <color ...
2
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2answers
116 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
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2answers
75 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 ...
2
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1answer
264 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
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2answers
66 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 ...
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2answers
1k 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
4answers
903 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. ...
7
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7answers
326 views

Review changes in .tex files

I have two files paper.tex and paper_suggested_changes.tex the latter is a modified version of the former with corrections. I need to go through the two files and choose which changes to accept or ...
3
votes
3answers
312 views

How to diff two folders by inodes

I'm currently using a script to backup files on my computer. In a nutshell, it works like this: rsync --link-dest=$FOLDER/current $SOURCE $DESTINATION However, I think that my script may be ...
7
votes
3answers
184 views

How do I compare a file with a floppy image and the actual floppy's content?

Is there a command that compares a floppy disk image (e.g. a .iso file) to the actual contents of the floppy the image was written on (e.g. /dev/fd0)?
2
votes
2answers
2k views

Diff, show modified line from right file only

I have file a and b and I would like to output lines of b that changed since it was cloned from a. Just the modified lines, no surrounding context, no diff offset marks. How can I do that using shell ...
2
votes
1answer
103 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.
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votes
2answers
1k 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
3answers
972 views

Get correct number of lines in diff output

I want to get the correct number of lines in the output of diff(specifically with -y and --suppress-common-lines options). Using a simple wc -l does not work, because if both files end without a ...
5
votes
3answers
3k views

How do I “merge” two text files?

I recently upgraded from Ubuntu 12.04 to 12.10 and at one point, it encountered an Apache config file conflict in apache2.conf. I didn't give me a merge option at that point, so I just rejected the ...
18
votes
1answer
4k views

What's the recommended way of copying changes with vimdiff?

When comparing files, and updating a source code repository, I like to use vimdiff. To copy changes made from one file to the other, I usually use a key sequence like this:- Shift + V (select line) k ...
4
votes
1answer
104 views

In Emacs, how do I inspect what has been modified in a buffer (before saving and overwriting the file)?

In Emacs, how do I inspect what has been modified in a buffer (before saving and overwriting the file)? (In a sense, the requested action is an analog of git status and git add -i showing what has ...
4
votes
3answers
5k views

Recursively compare two directories with diff -r without output on broken links

I am using diff -r a b to recursively compare directories a and b. It often happens though that there are some broken links (the same broken links in both a and b directories and to the same, ...
4
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3answers
168 views

Smart way to perform a similar replacement (not simple enough for diff) in multiple files?

I have a bunch of files (45, so too many to edit them manually without going crazy) which all require the same changes (as seen in the three diffs at the end of this question). Most tools used for ...
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2answers
2k views

How to make diff print a full file diff when a file does not exist?

I'm trying to compare files on the root file system with a backup, and I'd like the comparison to work a bit like git or svn diff when a file has been added or removed - That is, display the full file ...
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1answer
3k views

Bash function to compare two binary files [closed]

I need a function to compare 2 binary files, here the requirements: 2 files, not 3 or 4 files can't be assumed to exist avoid running checksum (CRC/MD5/SHA/...) until one must if running multiple ...
3
votes
3answers
261 views

How to make and apply (patch) one side diff?

I want to make a shell script that updates a config file. The file present on the server has information, like various IP addresses. The new file has more code, from new configs added to the system, ...
8
votes
4answers
2k views

diff reports two files differ, although they are the same!

I have two files which look identical to me (including trailing whitespaces and newlines) but diff still says they differ. Even when I do a diff -y side by side comparison the lines look exactly the ...
12
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4answers
3k views

Converting colored output into html

There are tools providing coloured output: dwdiff -c File1 File2 # word level diff grep --color=always # we all know this guy ... The question is: How to convert their colored output of arbitrary ...
2
votes
1answer
244 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 ...
3
votes
5answers
287 views

Kompare-like tool that needs no kdelibs dependencies?

Are there any Kompare-like tools without KDE dependencies? Can be Qt or GTK based.
2
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2answers
2k views

how to include a new file into a patch

I try to make a patch as introduced here. Say I have two directories pp1(modified version) and pp0(clean version), I make a patch file pp0.patch with the diff command: diff -crB pp0 pp1 > ...
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1answer
5k views

diff - output line-numbers

I want to use cli tool for file comparison and need line-number before output line with which help I could jump to line difference, because I use tool which understands where to jump, if the line ...
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1answer
99 views

Is there an application to find similar documents?

Is there any good software that finds groups of multiple files that are similar, or where one file includes a part of another? I have a directory with lots of files mixed up. Among the files, are ...
4
votes
4answers
3k views

Diff several files, true if all not equal

I have a number of files, I want to check that all those files have the same content. What command line could I use to check that? Usage could be something like: $ diffseveral file1 file2 file3 ...
1
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1answer
655 views

Diff command. Basic explanation

Just started with diff command. Can you please explain me, diff thin_provisionings_controller.rb thin_provisionings_controller.rb[211] 512,513d511 include ThinProvisioningsGraphModule So ...
0
votes
1answer
502 views

Directory diff in bash script

I have a bash script that expands two archives (jar files) into two directories and then does a diff of the two folders. I want the diff to be piped into a file so I do this in the bash file. diff -r ...
2
votes
1answer
1k views

Diff the output of two `awk` commands

I'm trying to compute the difference between the output of two awk commands but my simple attempts at it seem to be failing. Here is what I'm trying: diff $(awk '{print $3}' f1.txt | sort -u) $(awk ...
6
votes
1answer
1k views

Comparing directories in Emacs

I am experimenting with ediff-directories, but I am not sure I am using it correctly. I read in the documentation that, once I supply two directories to ediff-directories, if I press == Emacs ...
1
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1answer
411 views

Reading two files into an IFS while loop — Is there a way to get a zero diff result in this case?

I have a text file full of several hundred lines of sequences like this: b 29. b 52. c 84. c 83. c 94. c 93. c 61. b 38. c 81. c 92. c 28. c 37. ...
2
votes
1answer
2k 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 ...
3
votes
3answers
218 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 ...
7
votes
4answers
622 views

How can I get the most bang for my buck with the “diff” command?

I have tried using the linux diff command in the past without much luck or patience. I usually end up using a GUI utility like DiffMerge or Kdiff. Recently I started trying to use diff again to ...
6
votes
2answers
3k views

How do I save changed files?

I have two folders: ORIGINAL/ ORIGINAL_AND_MY_CHANGES/ My friend has a copy of ORIGINAL/. I would like to generate MY_CHANGES.tgz -- it should contain only new/changed files from ...
3
votes
4answers
499 views

On Unix how do I get the output from the diff command to look like a man page? Where I can press 'b' or 'f' to read further or back?

You know how when you use the man command to read the manual (e.g. man ls) and you get output that is paginated that you can read from top to bottom by pressing 'f' to go read further down and 'b' to ...
1
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1answer
64 views

Program to upgrade configuration files

When upgrading Ubuntu (and probably other *nixes), the upgrade process will show a diff of changed configuration files and ask whether I'd like to replace them, keep the old version, or manually merge ...
6
votes
2answers
2k views

diff where lines are mostly the same but out of order?

I want to diff two sets of mod_rewrite rules. The set of lines are about 90% identical, but the order is so different that diff basically says they are completely different. How can I see which lines ...
4
votes
4answers
973 views

Error with if [ -n $diffCurr ]: Too many arguments

I have been using the below code ok for sometime, but now, I get an error java Editor < "input/editor$i.in" > "tmp/editor$i.out" diffCurr="$(diff "tmp/editor$i.out" "output/editor$i.out")" if [ ...
7
votes
9answers
4k views

linux diff tools: create list of modified files

How do I create a list of modified files programmatically using linux command line tools? I'm not interested in the difference in any particular file (delta, patch). I just want to have a list of new ...
2
votes
2answers
196 views

How to determine if file is just a permutation of another one?

Consider for example a source code file, where the functions are drastically shuffled around. Is there is a command to check if the reordering of lines is the only change? (that means no lines are ...