poll_file(path, interval_s::Real, timeout_s::Real) -> (previous::StatStruct, current::StatStruct)

Monitor a file for changes by polling every interval_s seconds until a change occurs or timeout_s seconds have elapsed. The interval_s should be a long period; the default is 5.007 seconds.

Returns a pair of StatStruct objects (previous, current) when a change is detected.

To determine when a file was modified, compare mtime(prev) != mtime(current) to detect notification of changes. However, using watch_file for this operation is preferred, since it is more reliable and efficient, although in some situations it may not be available.


See Also

abspath, basename, chmod, countlines, cp, ctime, dirname, download, evalfile, expanduser, fdio, filemode, filesize, functionloc, gperm, homedir, include_string, isabspath, isblockdev, ischardev, isdir, isdirpath, isexecutable, isfifo, isfile, islink, ismount, ispath, isreadable, issetgid, issetuid, issticky, iswritable, joinpath, less, lstat, mkdir, mkpath, mktemp, mktempdir, mtime, mv, normpath, operm, poll_fd, poll_file, readall, readcsv, readdir, readdlm, readlines, readlink, realpath, relpath, rm, splitdir, splitdrive, splitext, stat, symlink, tempdir, tempname, touch, truncate, uperm, watch_file, writecsv,

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