FileCache - keep more files open than the system permits
function will make sure that there's a filehandle open
for reading or writing available as the pathname you give it. It
automatically closes and re-opens files if you exceed your system's
maximum number of file descriptors, or the suggested maximum.
- cacheout EXPR
The 1-argument form of cacheout will open a file for writing (
'>') on it's first use, and appending (
- cacheout MODE, EXPR
The 2-argument form of cacheout will use the supplied mode for the initial and subsequent openings. Most valid modes for 3-argument
openare supported namely;
If you use cacheout with
you should catch SIGPIPE
and explicitly close the filehandle., when it is closed from the
other end some cleanup needs to be done.
While it is permissible to
close a FileCache managed file,
do not do so if you are calling
from a package other
than which it was imported, or with another module which overrides
If you must, use
sys/param.h lies with its
define on some systems,
so you may have to set maxopen ($FileCache::cacheout_maxopen) yourself.