{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Foglio1","Foglio2","Foglio3"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Foglio1","index":0,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Foglio2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Foglio3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}