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14 votes
Accepted

Diff Tool for Linux that you can paste two texts into without files?

Meld (Wikipedia article) allows this. When you open a new diff tab (Ctrl+n), a popup asks you to select two (or three) files. You can simply hit OK here, without selecting something. It opens empty ...
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  • 7,769
11 votes

Console-based file comparison/diffing tool

vimdiff vimdiff file1 file2 You can also use it with git, for example: git difftool --tool=vimdiff HEAD^ HEAD
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10 votes

Diff tool for JSON files?

My open source online json diff tool should do the trick: http://json-diff.com
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9 votes

Diff tool for XML files?

Technically, XMLs are different if they have whitespaces or not if the order is different if they have comments or not if they have processing instructions or not if their encoding is different if ...
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8 votes

Visualizing Git diff (Linux)

Git itself ships with gitk to browse the repository (which includes showing diffs of stuff you've already committed) , gitgui and git difftool [which allows you to choose one of the merge tools ...
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  • 18.4k
7 votes
Accepted

Track websites for changes

I have been using Web Alert (Google Play) for quite some time and find it the most useful one. It's completely free but it is only available on android phones. Web Alert is simple, it has a ton of ...
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  • 86
7 votes
Accepted

Hexadecimal diff viewer for Linux

Hex diff viewers with console/terminal graphics: vbindiff, Divides screen into top and bottom, no right/left view, fixed-width output. hexdiff, Same top/bottom look as vbindiff, fixed-width output, ...
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  • 820
6 votes

Console-based file comparison/diffing tool

So you want an interactive diff tool with very basic features. The obvious answer is Emacs (Ubuntu: emacs), which includes Ediff since about 20 years ago. Open the two files that you want to compare, ...
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6 votes

Diff tool for XML files?

Focusing on the part that moved sections should be reported as no difference made me think of https://semanticmerge.com/, which doesn't compare XML-files, but C# and C code. And as it understand those ...
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  • 1,640
6 votes

A program that diffs 2 images

This answer won't be as good as I usually like (due to lack of knowledge on my part) but I think it should work well for you. What I would suggest is ImageMagick's Compare function. It is command ...
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5 votes
Accepted

View diffs in a "unified diff" file side-by-side

I think Beyond Compare does meet your needs. The folder comparison feature shows which files are different between two sets of folders and you can then select all files and generate a file differences ...
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5 votes

Audio diff tool

Download and install python, numpy, graphplotlib and audiolab you can then: Load audio files into numpy arrays using audiolab. Diff the arrays. Plot the result. Learn a lot... it's all free
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5 votes

Track websites for changes

A good option is to register at: Change Detection This will track changes for you. Give the service the URL of the web site(s) of interest and it will email you when it sees a change.
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  • 1,738
5 votes

Compare a text file to multiple text files

Diffuse Diffuse is a graphical tool for merging and comparing text files. Diffuse is able to compare an arbitrary number of files side-by-side and gives users the ability to manually adjust line ...
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  • 301
4 votes

Diff tool for JSON files?

When researching for an answer to this question, besides a variant over using SemanticMerge as my suggested answer for "Diff tool for XML Files", I found another tool which claims to be ...
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  • 1,640
4 votes

Diff tool for JSON files?

I recently found json-delta at https://pypi.python.org/pypi/json-delta/ You can install on your computer with command pip install json-delta To use it, just use the command json_diff -u file1.json ...
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4 votes

Code compare and merge tool for Mac OSX

Here are some suggestions: FileMerge (opendiff) It's no longer bundled with Xcode Command Line Tools, you must install Xcode from either the App Store or the Apple Developer Website. DiffMerge ...
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  • 2,837
4 votes

Diff Tool for Linux that you can paste two texts into without files?

Another option is diffuse: http://diffuse.sourceforge.net/index.html It opens to two blank panes by default, and you can paste whatever you like into each side.
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4 votes

rough comparison of files

I think a good buzzword here would be "fuzzy diff". Possible answer: https://github.com/google/diff-match-patch online tool to evaluate: https://neil.fraser.name/software/diff_match_patch/demos/diff....
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  • 141
3 votes

Track websites for changes

Trackly is worth a look, it will email you an image of the webpage with changes highlighted. Hourly and daily checks available. It works well even with very dynamic web pages using tons of javascript ...
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3 votes

Diff tool for XML files?

Technically those aren't the same (at least in xml), order does matter unless that is made explicit in the schema. A combination of xmlstarlet and normal line-based utilities can make the problem ...
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  • 211
3 votes
Accepted

Lightweight USB bootable OS with Zip, RamDisk and NTFS support for massive data diff

Have a look at Puppy Linux: bootable from USB runs on RAM very low system requirements two main builds: one Slackware based and the other Ubuntu based has ntfs support it's not x64 includes other ...
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  • 4,720
3 votes

De-duplicate and then show unique names/strings

When I looked into both answers above they were "right" and I marked them as such. In sorting it out a friend of mine told me about the Bash command for "unique." Turns out it is uniq used in ...
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  • 183
3 votes
Accepted

De-duplicate and then show unique names/strings

You can use VLOOKUP() function in Excel (or in equivalent spreadsheet). It is the fastest way and requires no programming. The VLOOKUP is well-described across the internet. But if you get stuck ...
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  • 2,494
3 votes

Diff for HTML pages

I'm a fan of the diff tool Meld for this kind of thing. It lets you compare up to 3 files at a time, as requested, but will also compare entire directories if needed. Just a few features from their ...
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  • 441
3 votes
Accepted

Is there a Windows tool that can display a graphical diff from command line inputs?

It turns out WinMerge is capable of it. The instructions are WinMerge command line options Being an existing user, I should have thought of it :). Only goes to show.
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  • 293
3 votes

Is there a Windows tool that can display a graphical diff from command line inputs?

You might also like to take a look at kdiff3 - it allows you to compare 2 or 3 files or directories side by side and to optionally merge them to a specified output location which can be any of the ...
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3 votes

Diff Tool for Linux that you can paste two texts into without files?

Not the prettiest necessarily, but you could could do it with process substitution and heredocs: diff <(cat <<EOF1 First text and more EOF1) <(cat <<EOF2 Second text and more EOF2) ...
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2 votes

De-duplicate and then show unique names/strings

I would use python, (already installed on mac/linux/unix and available for windows), something like: from glob import glob actual_files = set(glob('/path/to/images/*.jpg')) # The actual files as a ...
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2 votes
Accepted

Software to apply diff patches on Windows

Although in the end I have not applied diff patches manually (I managed to force software to apply old updates) pursue of this goal resulted in enough know-how on it to do it (which showed me how to "...
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  • 233

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