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22 lip 2021 · When an excel file is opened for example by MS excel a hidden temporary file is created in the same directory: ~$datasheet.xlsx. So, when I run the code to read all the files from the folder it gives me the error: Excel file format cannot be determined, you must specify an engine manually.
24 lut 2022 · if file_extension == 'xlsx': df = pd.read_excel(file.read(), engine='openpyxl') elif: df = pd.read_csv(file.read()) but i get the syntax error; How can i solve this problem and run the code?
10 kwi 2024 · To solve the "ValueError: Excel file format cannot be determined, you must specify an engine manually" error, make sure: To ignore all temporary files that start with ~$ , e.g. ~$file_name.xlsx . To use the correct pandas method when reading .xlsx and .csv files.
19 cze 2023 · The “Excel file format cannot be determined, you must specify an engine manually” error occurs when Pandas is unable to determine the file format of an Excel file. This can happen when the file extension is not recognized or when the file is corrupted.
23 lip 2023 · The error message “ValueError: Excel file format cannot be determined, one must specify an engine manually” occurs when attempting to read an Excel file in Python, but the library being used is unable to automatically determine the file format.
30 wrz 2023 · This error occurs when reading an Excel file in Python using the pandas library, but the file format cannot be determined automatically. To fix this error, you need to specify the engine manually. Example:
1 sty 2023 · Try the fixes here: https://stackoverflow.com/questions/68478097/pandas-glob-excel-file-format-cannot-be-determined-you-must-specify-an-engi. As is, since this bug report only has the subject line filled in, there's nothing to really go on in terms of troubleshooting or debugging.
