File comparison is the process of comparing the contents of files, finding their common contents and their differences, usually using an automated tool

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294 views

bash and arithmetic comparison: double quotes or not?

when comparing two integers in bash, do we have to put double quotes ? In the official document http://tldp.org/LDP/abs/html/comparison-ops.html I can read that double quotes should appear every ...
0
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2answers
85 views

Compare cells based on dropdown

I have multiple products, each with various features. I would like to choose a product from a dropdown list and then populate its features below, then do the same for a second product next to it. My ...
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1answer
53 views

How can I get a diff-like comparison of two files without the “change” sections?

I have two files that I would like to compare in terms of additions and deletions only. For example, if I diff these two files: start old old old end and: start old old but now new new new end I ...
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0answers
154 views

How to automatically create comparison pictures for a transcoded video file?

How do one automatically/easily create a "before-after" comparison of two video file, where one file is the transcoded version of the other, in terms of several still images? Each pair would be ...
0
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1answer
940 views

Comparison of numbers in Windows command line

How to compare two numbers if they are greater than 32 bit integer in dos in a 32 bit system? The two numbers are the size of folders in bytes. Can somebody help me please?
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0answers
728 views

Command-line option to compare 2 images in FastStone Image Viewer

I find FastStone Image Viewer a useful freeware to compare 2 images side by side, by selecting the images (by holding down Ctrl and clicking) in its Browser view, then pressing P. Is there a ...
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4answers
2k views

Difference between folders

How can I compare recursively 2 folders with same structure. With using diff or git diff from bash command line?
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2answers
106 views

Comparing images

I'm making a website for a company, only the previous webmaster resized all the images and pasted a watermark on them in the bottom right corner. Now I've got this huge 64GB folder with photos in ...
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2answers
1k views

Comparing files for similarities

Is there a standard Linux tool that looks for similarities between two files? The diff tool works best comparing files that are mostly the same, and outputs where they differ. I'm looking for a tool ...
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1answer
277 views

How can I compare two files, from a website, on the command line?

I need to do the following: Basically, I want to be able to compare two text (or text-equivalent, i.e. not binary) files which are held on a website, e.g.: ...
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1answer
392 views

Folder diff tool that allows easy comparison of large number of files

I'm trying to verify that a tool to export data from one source control platform to a second works properly before we spend money on a non-demo license. The demo version only exports the first half ...
0
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1answer
1k views

Comparing two spreadsheets and returning similarities

The challenge I am presented with is this: I have two spreadsheets where I need to compare one column of data from each spreadsheet. How do I do the comparison and have the same numbers from both ...
4
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2answers
769 views

View incremental diffs of my revisions to files using Dropbox

Sometimes I use a simple editor like Notepad++ to edit my webpages on Dropbox. Notepad++, not being an über-editor or IDE, does not track file changes for me. But Dropbox does!! Has anybody ...
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3answers
159 views

Is there a program that compares image files and reports if they are exactly the same pixel-wise?

I'm making a regression testing suite for some rendering software. I need to be able to load an image file (PNG or TGA, ideally) and compare the pixel values to a standard approved image. I'd like it ...
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1answer
1k views

How can I compare just the file contents of two zip files

I created these two zip files about 24 hours apart. $ ls -l /tmp/*.zip -rw-rw-r-- 1 scott scott 1401289 Mar 21 20:11 /tmp/inc1.zip -rw-rw-r-- 1 scott scott 1401289 Mar 22 19:29 /tmp/inc2.zip You ...
2
votes
4answers
990 views

How can I compare the contents of .pdf files, excluding filenames from comparison?

I usually use WinMerge to view the differences between files, but in this case it doesn't help. The files I'm comparing are known to have different filenames, which is creating false positives when 2 ...
0
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2answers
255 views

ISO on DVD differing across platforms?

I have the 32-bit ISO of the Windows 8 Consumer Preview and I burned it to a DVD (using Nero Express on Windows XP) to install in VirtualBox on my other computer (running Fedora 15). The problem ...
2
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1answer
49k views

Windows Server 2008R2 - Standard or Datacenter edition?

Which one should I install? I virtualize a lot, and have an access to my school's MSDNAA, where I can download/"buy" Windows 2008R2. All editions (with SP1). Which one should I choose? Standard or ...
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1answer
187 views

Check for duplicate files in two collections, ignoring duplicates within A

I have four similar large collections of website files. They are archived copies of a similar directory tree from different times in the past. I want to merge them all to the most recent collection, ...
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3answers
3k views

md5sum of files in two folders

I'm trying to compare all the files in two folders via an md5sum in one command. Some like the following (bash) in Debian: $ cd ~/FOLDER1 $ md5sum ~/FOLDER2/* | md5sum -c - The idea is that the ...
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3answers
2k views

Why using hexadecimal in computer is better than using octal?

What are benefits that hexadecimal provides? And is it really octal is less common than hexadecimal?
2
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1answer
719 views

GUI Software To Compare Two Files, Get “Clean” Export of Differences?

Is there a way to do a "clean" export of the differences between files? Not a diff, or even a formatted report... just a clean .CSV/.XLS/etc export. This is for people that are non-technical; we have ...
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2answers
547 views

How to show linux “cmp” command progress?

Is there a way to show the progress when running the cmp command? Comparing large files or partitions using cmp can take a while. I have searched google and used man cmp, but failed to find any ...
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2answers
278 views

Know any file compare utility for chunks of text?

Is there any file-compare utility-software that can help me compare chunks of text from two text files ? As in, I want to know what chunks of text that are in one file can be found again in the ...
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1answer
1k views

FileZilla as local files manager - comparing files and directories on local disks

Is there a way to open local directory instead of server directory? Do you know if there is some plugin to make it avaible? I would like to use FileZilla as local file manager just to compare ...
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3answers
2k views

Find missing files from multiple backups, regardless the folder location

I have 6 backups of my PC wasting a lot of space, on an external hard disk, because all of them are full backups (not incremental) of my PC, meaning that the majority of the contents are duplicated ...
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1answer
2k views

Remote Desktop software: Why is Teamviewer so much faster than the open source competitors?

TeamViewer is faster compared to FLOSS alternatives concerning 2 aspects: The whole configuration process before the actual session: Determine IP, traverse through NAT & firewall, etc whereas in ...
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5answers
6k views

How can I compare two directories, one being a remote directory?

I want to compare two directories, one is local and the other is on another machine. How can I do that? Can I do it with diff?
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3answers
15k views

Compare two video files to find out which has best quality

Suppose I have same video material encoded in two (or more) files. I'd like to run some utility on them which groundly pointed out which file is "best" in quality. "Groundly" means that I'd like to ...
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3answers
122 views

What's going on with my 'if' comparison in bash?

bash input: if [[ 167 > 10800 ]] then echo "I can't compare" fi bash output: I can't compare I guess the question is pretty obvious...
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2answers
3k views

Checksumming an entire CD/DVD

I'm publishing a set of documentation to be delivered on CD. My Company's European production manager is concerned that he has no way to verify that the data on the discs he produces is correct. He ...
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2answers
75 views

See if folder x has all the files in folder z

I have 2 folders, and I want to know if folder#1 has all the files in folder#2 How can I check this?
4
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1answer
51 views

Looking for utility to look for identical blocks text within a *single* document

I want to look for duplicate blocks of text within the same document. Tools like WinMerge and Beyond Compare don't seem to do this. Does anyone know of a utility that can do this?
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3answers
196k views

Comparing two strings in Excel?

I need to compare two strings in excel and determine if they are equal, the strings are in adjacent cells. For example, given: apple apple water water pear carrot apple water dog dog ...
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1answer
88 views

Compare Guitar Pro files

I am looking for a tool that can diff/compare Guitar Pro (5) files. Which of these file types should/could I use to compare tablatures? GP5 exports these file types: MIDI ASCII MusicXML GP5 These ...
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1answer
661 views

Pixel pushing power comparison: GeForce 8600 GT and modern Intel HD Graphics?

There's a similar question here. The answer has a useful link to a table on Tom's Hardware, however I don't think it entirely covers my question. The reason is that the latest generation Intel ...
2
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1answer
994 views

What are the differences between virtualization technologies and products?

I am currently investigating how to set up virtualization on my laptop but I am having trouble finding a good source of information about what different virtualization technology is good at and how it ...
0
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2answers
898 views

Multi-platter hard disk performance guidance

I have a 1TB hard disk, and it has three platters. If I make three partition on each platter (where partitions C:, F:, and I: will be on the starting part of each platter) and I install as follows: ...
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1answer
342 views

What are the small details Windows and Linux users will trip on when using OSX for the first time?

Like any other Apple product, OS X prides itself on the little details. When, earlier last week, I used my professor's Mac briefly to give a quick project presentation (mine decided to do a chkdsk at ...
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3answers
3k views

How can I compare columns in Excel?

If I have two columns of data with 10000 cells in each, and only three of the rows are not identical in both columns, how can I locate the different ones (without comparing each pair of cells)?
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1answer
2k views

Performance of Multiple RAM Sticks Compared to Single Sticks

It's no secret that using two physical drives gives better performance than two partitions on the same physical drive; because there are two devices, they each have their own platters, head, caches, ...
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3answers
5k views

How to use WinMerge Excel plugin?

I know this works, because of this question - How do I compare two Excel documents? I have installed Newest WinMerge and http://freemind.s57.xrea.com/xdocdiffPlugin/en/index.html newest plugin(I ...
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1answer
216 views

Compare two computers

I would like to compare my notebook with my iPhone (about power (speed)). i need something that is really "official" or let's me make a clear statement because I'm using it for a bachelor thesis. is ...
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6answers
2k views

How can I compare the content of files in 2 different directories

Can you please tell me how can I compare the content content of each files under 2 different directories hierarchy? I am on MacOS X platform? Thank you.
2
votes
1answer
165 views

What explains the differences in testing on different antivirus comparison sites?

There's a whole range of antivirus testing sites on the web. Some are obviously linked to a certain brands, others far less obvious. I found a range of sites, all giving a rather different view on ...
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5answers
4k views

How to validate a DVD against an ISO

I have an ISO file and a DVD burned from that ISO file. Is there a way I can validate that the DVD contains the same as the ISO file and that nothing is wrong with the DVD? I have the tools available ...
2
votes
2answers
1k views

Comparing 128MB GeForce 8600GT and 512MB Radeon X1650

I'm trying to determine which is the better of these two video cards: 128MB Nvidia GeForce 8600GT card while the other has a 512MB ATI Radeon X1650 card. Both cards are the upper-level mid-range ...
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2answers
390 views

Check if there are changes on file system (Ubuntu 10.10)

I have to get my PC to the service because sometimes the system hangs and suddendly reboots without any reason. Anyway, I will create a test user if they want to start the computer. Moreover I think ...
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2answers
731 views

TextPad Tortoise Merge Tool

I am trying to create a custom tool in TextPad to call the Tortoise SVN merge tool. If I have two files open in TextPad, I want to diff them with TortoiseMerge by going to Tools -> TortoiseMerge in ...
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1answer
353 views

Mercurial: How I can use external tool for diff?

I want to use kdiff3 as a tool for comparing different versions of a repository. Is there a way how one can do it?