xsheetjs/README.md

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# xlsx
Currently a parser for XLSX files. Cleanroom implementation from the ISO 29500 Office Open XML specifications.
This has been tested on some very basic XLSX files generated from Excel 2011.
*THIS WAS WHIPPED UP VERY QUICKLY TO SATISFY A VERY SPECIFIC NEED*. If you need something that is not currently supported, file an issue and attach a sample file. I will get to it :)
## Installation
In node:
npm install xlsx
In the browser:
<script lang="javascript" src="/path/to/jszip.js"></script>
<script lang="javascript" src="/path/to/xlsx.js"></script>
## Tested Environments
- Node >= 0.8.14 (untested in versions before 0.8.14)
- IE 6/7/8/9/10 using Base64 mode
- FF 18 using Base64 or HTML5 mode
- Chrome 24 using Base64 or HTML5 mode
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## Usage
See `xlsx2csv.njs` in the bin directory for usage in node.
See http://niggler.github.com/js-xlsx/ for a browser example.
Note that IE does not support HTML5 File API, so the base64 mode is provided for testing. On OSX you can get the base64 encoding by running:
$ <target_file.xlsx base64 | pbcopy # the pbcopy puts the content in the clipboard
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## Notes
`.SheetNames` is an ordered list of the sheets in the workbook
`.Sheets[sheetname]` returns a data structure representing the sheet. Each key
that does not start with `!` corresponds to a cell (using `A-1` notation).
`.Sheets[sheetname][address].v` returns the value of the cell and `.Sheets[sheetname][address].t` returns the type of the cell (constrained to the enumeration `ST_CellType` as documented in page 4215 of ISO/IEC 29500-1:2012(E) )
Simple usage:
var XLSX = require('xlsx')
var xlsx = XLSX.readFile('test.xlsx');
var sheet_name_list = xlsx.SheetNames;
xlsx.SheetNames.forEach(function(y) {
for (z in zip.Sheets[y]) {
if(z[0] === '!') continue;
console.log(y + "!" + z + "=" + JSON.stringify(zip.Sheets[y][z].v));
}
});
## License
Please consult the attached LICENSE file for details. All rights not explicitly granted by the MIT license are reserved by the Original Author.
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## XLS Support
XLS is not supported in this module. Due to Licensing issues [that are discussed in more detail elsewhere](https://github.com/Niggler/js-xls/issues/1#issuecomment-13852286), the implementation cannot be released in a GPL or MIT-style license. If you need XLS support, consult [my js-xls project](https://github.com/Niggler/js-xls).
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## References
ISO/IEC 29500:2012(E) "Information technology — Document description and processing languages — Office Open XML File Formats"
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