URGENT CSV Bulk Replace Script

We need a script (that I can easily run on my mac or windows) that will allow me to select 2 CSV files.

1) The first CSV will have thousands of rows (20k+) and each cell contains a lot of data (numbers, characters and letters)

2) The second CSV will have two columns. Column A is the string to be found in each cell (if it exists) of CSV A and column B is what to replace it with if it is found.

The process needs to be quick and it needs to run through CSV A to check for all in CSV B. Essentially, it is a find & replace we want to do on CSV A but with around 2000 options.

Need this in 4 hours from now - 3pm UK Time Saturday 15 May

Skills: JavaScript, Python, Data Processing, Excel

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About the Employer:
( 87 reviews ) Canterbury, United Kingdom

Project ID: #30202582

Awarded to:


hi there, i will make the exe to run in windows that will accept the two csv file, one with data and another with search and replace items in each row. Will make in 2 hours starting right now,thanks

$50 USD in 1 day
(547 Reviews)

28 freelancers are bidding on average $130 for this job


Hello, would you mind attaching both files, so i can see what exactly needs to be done. I am available right now and usually i can code projects like this pretty quickly. If you are interested, feel free to message me. More

$40 USD in 1 day
(631 Reviews)
(174 Reviews)
(83 Reviews)
(203 Reviews)

Hi Hiring manager Passionate C++ and Python Engineer with 10+ years of professional experience in full-cycle product development. All my clients know me as a person who can solve any technical problem. I’m always pro More

$250 USD in 2 days
(82 Reviews)
(303 Reviews)
(84 Reviews)

Hi. Hope you are doing well. I have high level expertise in PHP. I can create a script for you that take two csv files and will find in what column A has and replace with what column B has. Will provide you top qualit More

$120 USD in 2 days
(50 Reviews)

hi. how are you? i have read your proposal and understood what you want. i have enough experience in multithreading with python. 2K+ columns are no problem for me. i can start work right now. please discuss more via ch More

$140 USD in 1 day
(11 Reviews)

Hi there, I can quickly make a script /tool to find and replace data from two csv files. Please send your csv files so that I can start working right away. I can finish it in next 3 hours. If you have any quest More

$66 USD in 1 day
(41 Reviews)

Hi there, Please provide an opportunity to have a real-time conversation with you here. I can start your project immediately and look forward to working with you. If you are available to initiate a chat, then I am rea More

$140 USD in 1 day
(21 Reviews)

Hi there , How are you? This is Qandil I am web developer, having over 3 years of experience on freelancer . I can work on your project to deliver you according to the requirements. For more discussion on the project , More

$200 USD in 1 day
(17 Reviews)

Hi, there. I am an experienced software developer, and have worked on several CSV data processing scripts written with python or node, so I will provide you quality work according to your instructions. I can start righ More

$120 USD in 1 day
(3 Reviews)

Hello bro. I can make a python script to do batch finding and replacing all cell of csv a with name value from csv B. I am working as a senior data engineer. I can do it quick. Please send a message to me if you inte More

$250 USD in 1 day
(6 Reviews)

Will deliver the script for Mac in one hour time, we are hyper fast in delivery. Award us now to get started on this and share the csv files.

$200 USD in 1 day
(4 Reviews)

⭐⭐⭐⭐⭐⭐ Hello, Client ⭐⭐⭐⭐⭐⭐ Nice to meet you. I hope you are safe from COVID-19. My name is Egor Tokar. I am senior web developer from Ukraine. I'm very happy to bid on this project. I read your description carefully More

$60 USD in 1 day
(7 Reviews)

❤️Warm greeting❤️ I read your posting and understood. I am ready to get started right now as I am a excel and csv process expert with various stack. This work can be done in a quick time and you will get what you want. More

$140 USD in 7 days
(4 Reviews)

Hi, I am data scientist, experienced in programming with python. And dealing with different data format. Message me to discuss the details.

$180 USD in 1 day
(3 Reviews)

Hey there i have cloud service designated TPU so can run so fast. will be delivered with in 3 hours. Ping me for more details

$50 USD in 1 day
(3 Reviews)

Professional software developer with over 15 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: * developing Windows Desktop and Web More

$244 USD in 7 days
(3 Reviews)