Depending on your skill depends on whether you can do this kind of scripting. However reading a CSV file (low form of excel) is pretty simple. Simply know that a , separates the values and those with a " " are strings and those without are numbers and that a down space is between rows reading a CSV would be an easier task.
use PHPExcel.
They are spreadsheet files and Excel refers to them as workbooks.
In Excel it is called a workbook.
.XLS files are standard Microsoft Excel spreadsheet files. .XLT extension is used for the Excel template files. - Neeraj Sharma
To prevent anyone from seeing or changing formulas, as well as being able to use the spreadsheet without needing Excel. A compiler can collect all source files for the spreadsheet, add a run-time engine, and package the files for distribution.
Normally xls is the extension for an Excel spreadsheet document.
One file. No matter how many worksheets you have in an excel workbook, everything will be saved in a single file.
A workbook in Excel is a collection of worksheets, which may be what you mean. There is no particular name for a collection of workbooks. They are just workbooks or spreadsheet files.
MS Excel is a spreadsheet program that creates files called workbooks.
One can convert an Excel spreadsheet to an IIF file using the Microsoft Office 2010 software suite. Also one can convert such files using online services like Spreadsheet Converter and Accountant Pro.
It will depend on the specific type of file and version of Excel. The standard spreadsheet uses xls for versions up to 2003 and xlsx from version 2007. You can also have other types of files, like Excel template files, which would be xlt, or xlm for Excel macro files. There are several other types too.
Open Office will happily open Excel files. You may have to play around with the formatting etc, but it will certainly import the data from an Excel spreadsheet without any problems.
Hey, I don't know if this is what you mean or not but, if you mean, 'what is the 'code' at the end of the files', then I think it is: .exl Hope this helps JJ x