Forum Discussion
Identify Excel files sans extensions
A new client handed me a removable hard drive with several gigabytes of files that were recovered from a server that crashed/failed years ago. The files have generic/random names and no extensions. T...
I said either XLS or XLSX but should have been more specific. The owner of the files believes that there's a mix of the older XLS format and the XLSX format, so ideally, the script would identify them and append the appropriate suffix accordingly.