How to Read and Write Files in a JES Application
JES is a programming environment that you can use to write, test, and run code locally on your computer. JES offers many capabilities such as the ability to edit photos, videos, or other media.
You can also complete other tasks in JES such as reading or writing to files. You can read data from different file types, including text files and CSV files.
How to Read From a File Using JES
it’s possible to view and download the full source code for these examples from theGitHub repository.
To read a file in JES, first open it, then read its contents and save it in a variable for further processing.
If you are reading from a text file, you can store each line of the file separately as an element in an array. If you are reading from a CSV file, you can also store each cell’s value separately.
How to Write to a File Using JES
You can write to a CSV or text file using the write() function. You can either open the file for appending or writing. Appending will add to the existing content, while writing will overwrite any existing content in the file.
Create a new function, and use it to write to a text file and a CSV file.
Reading and Writing File Data With JES
Writing data to a file is an extremely useful function that you can use if you need to save any data inside a program.
Explore other ways you can read or write to files using Python. Examples of this include using modules such as Pandas or Openpyxl.
Learn how to use this handy library to work with Excel spreadsheets outside of Excel.
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