I work in a Windows Network environment. We're interested in purchasing or building a system that does document validation on our documents across our servers. We're needing a system that goes through our servers and file systems, logging directories of documents, performing a hash on the file and storing that information. If the hash has changed from previous hashed values, trigger a document validation process. We want to make sure that the file is a valid format of the file that it says that it is. Examples: Is the file MyFile.PDF a valid PDF file? Is the file MyFile.xlsx a valid Excel file? Common file types would be:
* PDF * TIFF * DOC and DOCX * XLS and XLSX * JPG * GIF * PNG * ... etc. There are some PDF validation tools such as XPDF, PDFInfo, and ImageMagick but is there something more general? Is there a system to purchase that would do what I've stated above? I can build the system if need be, but purchasing is preferable. If not, a command line validation routine would be very helpful. Thanks in advance for any advice. Kevin
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