Large text files comparison

I need a solution to compare 2 large text files (4-6 gb / 200-300 millions lines each) and save the unique lines to another text file.

Example :

[login to view URL]

With "Display Uniques Per List" option checked.

I'd prefer using windows command line but I'm opened to all suggestions.

Skills: C Programming, DOS, Perl, Powershell, Python

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About the Employer:
( 68 reviews ) lyon, France

Project ID: #20046300

Awarded to:

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Several years experience writing scripts to do precisely this type of task for digital forensics and legal applications. Happy to provide a Windows command line or GUI utility

€14 EUR in 1 day
(0 Reviews)

19 freelancers are bidding on average €32 for this job


Greetings sir, I have read your project details and i will develop a command line tool compare your 2large file and export unique lines into new text file. Sir, i can deliver this project sooner than you expect a More

€50 EUR in 1 day
(93 Reviews)

Hi, I can build a small windows application for file comparison and unique content extraction. we can discuss this further. thanks

€30 EUR in 1 day
(7 Reviews)

Hello! I can write you Python script that will compare those 2 large textfiles and create 3rd with unique lines. It's a quick job.

€30 EUR in 1 day
(17 Reviews)

I am good in perl along with file/data handling, please let me know if you are good to award this project to me

€55 EUR in 2 days
(11 Reviews)

hi, dear. how do you do . i read your description. i have some experiences of c programming. you can discuss your project with me more detail via chat. please contact me. kindly regards.

€30 EUR in 1 day
(18 Reviews)

Hello, I have been developing scripts in the python environment for many years. I can complete your projecting dealing with all things python. I must have a milestone created and complete specifications sent before i More

€40 EUR in 7 days
(10 Reviews)

Dear Sir ! Use my perl script ,run from command prompt :usage : perl [login to view URL] file1 file2 >[login to view URL] copy the following lines to [login to view URL] use strict; my $f1= $ARGV[0]; my $f2= $ARGV[1]; my More

€30 EUR in 1 day
(5 Reviews)

There is a very simple way of completing your project message me and we can be done in a couple of minutes.

€14 EUR in 1 day
(2 Reviews)

I am an expert in perl. I can finish this task in 15 minutes. Contact me.

€8 EUR in 1 day
(4 Reviews)

Dear, I am lecturer at Department of Chemistry and have many experience in c++ and windows scripting. Your files are large, so I recommend you to using small windows app rather than windows commands. The performance o More

€30 EUR in 2 days
(1 Review)

Hi i have plan to do it. But can you provide me the sample of both the files as it would be more helpful for creating solution.

€66 EUR in 3 days
(0 Reviews)

Dear Sir. Thanks for your job posting. I saw your description very carefully. So I understood fully what you want. So I think your project is very suitable for me. I am so independent and I can devote only your job. More

€35 EUR in 1 day
(0 Reviews)

Hi! These are the projects where size matters!! We can do it with a python script, which can run under windows or linux. Let's chat to define well the scenario of the file handling and let's do it! Best regards, E More

€29 EUR in 2 days
(0 Reviews)

Le programme est facile à faire. Je me demande juste quels sont les contraintes matérielles (mémoire ram et vitesse d'exécution).

€34 EUR in 1 day
(0 Reviews)

Hello! I have a perl one-liner that would do this fast enough by using standard perl modules and the windows command line.

€19 EUR in 1 day
(0 Reviews)

Will write a script , which will do the job. Focus wil be on performance. It will hardly take 2 houts. Would wait for your reply. I can provide Windows/Linux/UI tool, that will help you analyse the result.

€34 EUR in 1 day
(0 Reviews)

Hi there! My name is Longzhu and I’m a professional developer with 7+ years of experience. I'm honesty, communicable, responsible and passionate about web programming holding my hand on a pulse of a new technologies e More

€29 EUR in 7 days
(0 Reviews)

I've done many projects with files. You will get - maximum simplicity, efficiency and easy-to-use program. Command line or .exe file or something else - your choice

€31 EUR in 2 days
(0 Reviews)