import openpyxl, os

fp = r'C:\Users\renet\.openclaw\workspace\buchhaltungs-app'
# Find Nebenkosten file
for f in os.listdir(fp):
    if f.endswith('.xlsx') and 'ebenko' in f.lower():
        full = os.path.join(fp, f)
        print(f'Reading: {f}')
        wb = openpyxl.load_workbook(full, data_only=True, read_only=True)
        print(f'Sheets: {wb.sheetnames}')
        for sn in wb.sheetnames[:3]:  # max 3 sheets
            ws = wb[sn]
            print(f'\n  Sheet "{sn}":')
            count = 0
            for row in ws.iter_rows(max_row=40, values_only=True):
                vals = [v for v in row if v is not None]
                if vals:
                    print(f'    {vals}')
                    count += 1
            if count == 0:
                print('    (empty)')
        wb.close()