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.
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.
| & || & |
| < || < |
| > || > |
| [ || [ |
| ] || ] ||