libfile-tail-perl ソースパッケージをダウンロード:
The File::Tail module is designed for reading files which are continously appended to (the name comes from the tail -f directive). Usually such files are logfiles of some description.
The module tries hard not to busy wait on the file, dynamicaly calculating how long it should wait before it pays to try reading the file again.
The module should handle normal log truncations ("close; move; open" or "cat /dev/null >file") transparently, without losing any input.
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