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'''xlsread''' and '''xlswrite''' are mere wrappers for '''xlsopen - xls2oct - xlsclose - parsecell''' and '''xlsopen - oct2xls - xlsclose''' sequences, resp. They exist for the sake of Matlab compatibility.
 
'''xlsread''' and '''xlswrite''' are mere wrappers for '''xlsopen - xls2oct - xlsclose - parsecell''' and '''xlsopen - oct2xls - xlsclose''' sequences, resp. They exist for the sake of Matlab compatibility.
  
'''xlsfinfo''' can be used for finding out what worksheet names exist in the file. For OOXML files you can do with the OCT interface (specify "oct" for the REQINTF parameter). For other Excel file types you need MS-Excel for Windows (or later version) and the windows package (specify "com" for REQINTF), and/or Apache POI and Java support (then the input parameter REQINTF should be specified with a value of 'poi' (case-insensitive) and -obviously- the complete POI interface must have been installed).
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'''xlsfinfo''' can be used for finding out what worksheet names exist in the file. For OOXML files you either need MS-Excel 2007 for Windows (or later version) installed, and/or the input parameter REQINTF should be specified with a value of 'poi' (case-insensitive) and -obviously- the complete POI interface must have been installed.
  
 
Invoking '''xlsopen'''/..../'''xlsclose''' directly provides for much more flexibility, speed, and robustness than '''xlsread''' / '''xlswrite'''. Indeed, using the same file handle (pointer struct) you can mix reading & writing before writing the workbook out to disk using xlsclose.
 
Invoking '''xlsopen'''/..../'''xlsclose''' directly provides for much more flexibility, speed, and robustness than '''xlsread''' / '''xlswrite'''. Indeed, using the same file handle (pointer struct) you can mix reading & writing before writing the workbook out to disk using xlsclose.

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