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You know that Private SNAFU is always on duty:   the mere fact that you zipped-up a bunch of files and pushed them to an HTML stream doesn’t mean that they arrived, any more than it does at the Post Office.   I would therefore design this program to build the Zip files, then remove the files from whence they were made (if appropriate), then put that file into a “to be downloaded” directory under some appropriate name.   From these, when the user requests a download, the file is renamed in some slight way to indicate that it “has been or is-being downloaded.”   (Renaming ahead-of-time avoids any file contention issues.   Moving it to a different directory ahead-of-time does the same thing.)   But in every step you have thus given yourself a way out.   If the download did not for whatever reason succeed, the data is still there and the process could be repeated.


In reply to Re: cgi download and delete file by sundialsvc4
in thread cgi download and delete file by teddyttas

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