Ruby Write Excel File

Note that i focus mostly on reading excel files in this post but there is some discussion around writing updating them as well.

Ruby write excel file. The spreadsheet writeexcel module can be used to create a cross platform excel binary file. Sure all other spreadsheet programs can import utf8 encoded csv files some of these programs are free openoffice so if you have the option of ignoring excel csv will do. A this process of converting an object into a string is called serialization. Today there are several gems to handle excel file in ruby on rails e g roo axlsx rubyxl.

Call dup before passing if you need a new string. Data analysis with python for excel user part 1 read and write excel file using pandas. The syntax to open an existing file using ruby is as follows. For example axlsx gem can t read excel file and roo gem can t write.

That s the easiest way to write to a file in ruby in just one line of code one more thing if you want to write an array to a file you ll have to convert it into a string first. I ll discuss the different types of excel files and introduce some of the ruby libraries that exist for working with them. Note that a passed string is modified by this method. Multiple worksheets can be added to a workbook and formatting can be applied to cells.

Write xlsx is converted from perl s module excel writer xlsx 0 84. Text numbers formulas hyperlinks images and charts can be written to the cells. That is some of the above gems is not equipped with all operations. In this post i will review options for parsing excel files using ruby.

Ruby programming 7. Excel cannot select the encoding so if you want to export unicode data such as when you re working in non english languages using csv files with excel won t do. This method wraps a string you provide or an empty default string in a csv object which is passed to the provided block. Gem to create a new file in the excel 2007 xlsx format and you can use the same interface as writeexcel gem.

You can use the block to append csv rows to the string and when the block exits the final string will be returned. Therefore i was looking for the gems. Learn how to import file contents into a ruby program and work with the data. To write a string a formatted string a number and a formula to the first worksheet in an excel xml spreadsheet called.

Csv ruby 2 6 1. But it does not always mean all of them are useful.