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

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check two partitions by selecting random files and running sha1 hashes on two files of each partition

A previous answer to a post mentions to run sha1 hashes on an images of a dd drive clone image. Another answer to that post suggests mounting the dd image an then compare if the sha1 hashes of "...
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2answers
34 views

Patching diff-files

I've downloaded a tarballed version of 0.85 "MTR" -> http://www.bitwizard.nl/mtr/ and installed it. I later saw that a 0.86 diff file exists. I downloaded this in order to patch it, but am confused ...
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46 views

What do the numbers in the “@@” line mean in output of diff? [duplicate]

Here is an example of Unix Shell program diff, from Version Control with Git, by Loeliger, 2ed: Let’s look at the diff in detail. In the header, the original file is denoted by - - - and ...
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2answers
2k views

Color diff output

I am new to unix I wanted to format the Unix files conditionally, I am currently working on diff command and wanted to know if it is possible to format the text of the diff command output. Example: ...
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1answer
39 views

Read files in Directory and take diff

I have two directories named comp1 and comp2 and both have files named file1 and file2. I need a bash script which read file1 from both the directories and take diff of each file and redirect to some ...
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1answer
31 views

How does the diff command handle caching?

I became curious when I was diffing two large (>326MB) files, and noticed that the second run took much less time than the first. This was frustrating, since I was trying to time the second run, to ...
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2answers
114 views

How to turn Diff command into bash script with prompt

I have a list that i've copy and i want to paste it to the shell to give me just the repeated lines. 1 1 3 2 As i read about bash commands i've maded this: cat > /tmp/sortme ;...
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1answer
305 views

What does dash “-” mean in Unix command line? [duplicate]

Given this diff command: ./a.out < 1.in | diff - 1.out What does - mean after the word diff? Thanks for the help!
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1answer
303 views

Compare logs without timestamp

I have a lot of logs I would like to compare. The problem is, that the first few characters in a line are a timestamp. How can I compare logs, ignoring timestamps. For example, these two should be ...
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2answers
83 views

SSH using diff and still not working

I have 2 file, a.txt and b.txt and I want to compare them. a.txt contains: abc jkl < jkl mno > mno pqr <> pqr b.txt contains: abc jkl < jkl mno > mno pqr <> pqrs stu I'm ...
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1answer
22 views

diffing two version of software,and do the interdiff

I have got some kind of software in version 1.2.0 (lets call it 120), my colleagues made changes in this software (they created custom module for this software by changing source code of software) ...
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1answer
40 views

Compare a certain lines from multiple documents

I want to compare a certain lines in a multiple documents. I tried using diff and comm, but the conditions are these, the documents are in a different working directory/folder, I could use a ...
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1answer
663 views

blessdiff for the “full featured hexadecimal editor”?

I am trying to find some hex diftool which allows me to compare to documents in the view but also the internal differences like in bless so two bless windows side-by-side but with diff capability ...
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1answer
155 views

how to pipe output from git commands into unix diff utility?

I am trying to achieve something along the lines of diff -ywB --suppress-common-lines `git branch --merged prod-server` `git branch --merged test-server` so that I can know the difference of what ...
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1answer
73 views

Unified Patch: only use diff file

Is it possible to create a diff file that would work without having the actual files in the diff file? e.g.: I have a folder /a and a copy of a: /b. In /b I edit multiple files and create a .diff ...
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1answer
212 views

Diff: slightly different filenames, same file

I'm using diff -rq to compare directories on a Mac OS X 10.6 server. In folder1, we have 'filename'. In folder2, we have'filename.archive' because folder2 is created by a file sync app that also ...
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1answer
164 views

Is this a good way to create a patch?

I would like to create a patch from a specific gcc branch comparing it to the official releases; so when I unpack the tarball from the stable release, I can apply the patch and get the equivalent of ...
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1answer
97 views

diff files within dirs listing by date modified

I was using MELD but it can't seem to sort by modification time, so I've been looking for a way to achieve something similar in terminal. I found a line of code find /path/to/dir1 /path/to/dir2 -...
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1answer
117 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 ...
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1answer
30 views

Use Diff to Exclude Quote Symbol - "

An Abnormal one. In simple i have two Source folders. Both have different code sets i want to compare. But there is one Symbol that will show multiple differences that i want to ignore. Its between ...
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1answer
21 views

Applying a single patch to files in multiple directories

Directory structures looks like this: orig/l1/l2/file2patch orig/l1-2/file2patch Diff'd with new/l1/l2/file2patch new/l1-2/file2patch I get the correct diff between these files and save it in a ...
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0answers
17 views

gtksourceview complains about a missing style - but it's right there

I'm using the meld tool to view some source changes, in C++ and CUDA code. At some point I get the error message: (meld:19240): GtkSourceView-WARNING **: in file /usr/share/gtksourceview-3.0/language-...
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0answers
26 views

What is the meaning of the -u option in the diff command? [duplicate]

In order to determine a certain file, I was told to do: ls /dev | diff -u foo. I looked the man page to the diff command up and found this annotation to the -u option: -u, -U NUM, --unified[=NUM]...
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5answers
446 views

Compare one to one lines in 2 different files using shell scripting [closed]

I have two files: File1 File2 abc abc cde cde,xyz,efg,hij,...,n efg lmn,opq,weq,...n Now I want to compare File1 line1 with File2 line1, line2 with line2 and ...
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27 views

Configuration files difference between 2 dirs of the same app

I have an application installed on 2 machines I upgraded the first application on one server and want to copy the installation from this server to the other one but there is changes in some conf ...
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0answers
94 views

How to compare two rfs directories with `diff`?

I've two RFS (RFS = Root File System) directories, which I would like to compare to each other with diff. Both directories represent an RFS of some other system, and they may contain links. If those ...
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3answers
325 views

Difference between two files

I have two files , say a & b. I want to compare both the files and get the differences in the third file along with the file name. Can anyone help me out with a simple command.
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1answer
7k 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 ...
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4answers
98 views

Comparing 2 files

I have the need via a script to compare 2 files contents and if the contents are different then execute another script however is the contents are the same do nothing. I've tried using the DIFF ...