Questions tagged [csv]

CSV (comma-separated values) is a text file format where each lines contains fields separated by a comma. The format generalizes to “character-separated values” where the separator is some character other than comma.

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6answers
57k views

Fastest free Python library to read a CSV file with 1~3 columns of numbers

I am looking for the fastest Python library to read a CSV file (if that matters, 1 or 3 columns, all integers or floats, example) into a Python array (or some object that I can access in a similar ...
8
votes
3answers
6k views

Lightweight contact manager for Linux with import & export feature

I am looking for a light weight contact manager for Linux (similar to this unanswered request for a Lightweight Contact Manager for Windows). I would like to be able to both import and export vCard ...
3
votes
1answer
287 views

Speadsheet software that can handle thousands of columns

Microsoft Excel has a max number of columns of 16,384 Open/Libre Office Calc has max number of columns of 1,024 A summery of the limits for several speadsheet softwares can be found here I have ...
1
vote
2answers
35 views

Software to merge CSV files with true/false columns if entry is present

I have multiple separate CSV files that are just a single column list of email addresses, where each file represents a 'tag' associated with that email. I'd like to merge them into one CSV file, such ...
1
vote
2answers
117 views

Online spreadsheet webapp that can view 10 million rows

I have a data file with 14 columns and 9,523,125 rows. What online spreadsheet program (NOT A DATABASE!) can view at least 9,523,125 rows? I must be able to: upload the CSV file view it (with some ...