xsheetjs/docbits/25_manip.md

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## Working with the Workbook
The full object format is described later in this README.
This example extracts the value stored in cell A1 from the first worksheet:
```js
var first_sheet_name = workbook.SheetNames[0];
var address_of_cell = 'A1';
/* Get worksheet */
var worksheet = workbook.Sheets[first_sheet_name];
/* Find desired cell */
var desired_cell = worksheet[address_of_cell];
/* Get the value */
var desired_value = (desired_cell ? desired_cell.v : undefined);
```
**Complete examples:**
- <https://github.com/SheetJS/js-xlsx/blob/master/bin/xlsx.njs> node
The node version installs a command line tool `xlsx` which can read spreadsheet
files and output the contents in various formats. The source is available at
`xlsx.njs` in the bin directory.
Some helper functions in `XLSX.utils` generate different views of the sheets:
- `XLSX.utils.sheet_to_csv` generates CSV
- `XLSX.utils.sheet_to_json` generates an array of objects
- `XLSX.utils.sheet_to_formulae` generates a list of formulae