What’s a good library for editing an Excel file with multiple sheets, and writing to specific cells in a given sheet?

A search on NPM reveals a bunch of options, one of the most popular is xlsx

In any case, I would constantly prevent the C# or C++ native interop libraries (the ones that use COM) because they need a circumstances of Excel running to operate http://www.iditect.com/product/excel/. The XLSX format is really absolutely nothing more than a ZIP file with some XML submits inside, it’s really simple to write to directly.

Coincidentally I am using one of the Library nowadays, for the very same function. For me Apache POI is doing a pretty good amount of task, AFAIK, in JAVA that’s the best available out there.

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Have you considered using Excel to import the information, versus pressing the information programmatically? Excel is excellent at linking to external information sources using native tools.

CSV represents comma-separated worths, which’s precisely what it is. A plain text file that can be opened by any text editor.

A CSV file is a container for database details with one entry per line, and fields separated by commas (or other separators). That’s why it’s useful as a basic information exchange format which can be imported, controlled and exported by a number of applications, especially spreadsheet processors, xml types, and so on

. If you do not have any applications on your computer system that can make best usage of your CSV file, think exactly what you will have to do?

Compose a program!

If you are genuinely on a computer with extremely minimal desktop applications included then you will either have to make your own applications or get Open Office, a free (online) or low cost (at store) Windows office desktop application solution if you are really low spending plan.

That’s what older computer system users did when it could not be purchased in a shop or it was pricey. At the time being able to open and show contents of a file was a basic computer user skill frequently with BASIC. A few of us discovered C and used Borland C for MS-DOS.

OpenOffice/libreOffice (Free Office Suite) is far better at managing csv and other delimited files, provide it a shot, its open and complimentary source.

A CSV file need to be a list of values that are separated by an unique character or characters. Depending on the size of the file and your meant use, you can view the file with Note pad in Windows.

You can utilize any text editor like notepad for opening CSV files, nevertheless you will not have functionalities of a spreadsheet.

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