08-14-2019
Check if file exists
I need to check whether a file exists and has been changed.
The file should contain a specific string. The file should also have been changed within the last ten seconds.
How do I do that?
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LEARN ABOUT DEBIAN
remctl_set_timeout
REMCTL_SET_TIMEOUT(3) remctl Library Reference REMCTL_SET_TIMEOUT(3)
NAME
remctl_set_timeout - Set timeout for subsequent remctl client operations
SYNOPSIS
#include <remctl.h>
int remctl_set_timeout(struct remctl *r, time_t timeout);
DESCRIPTION
remctl_set_timeout() sets the timeout for connections and commands to timeout, which should be an integer number of seconds. timeout may
be 0 to clear a timeout that was previously set and restore the default behavior of having no timeout. All subsequent operations on the
given struct remctl argument will be subject to this timeout, including remctl_open() if called prior to calling remctl_open().
The timeout is a timeout on network activity from the server, not on a complete operation. So, for example, a timeout of ten seconds just
requires that the server send some data every ten seconds. If the server sends only tiny amounts of data at a time, the complete operation
could take much longer than ten seconds without triggering the timeout.
RETURN VALUE
remctl_set_timeout() returns true on success and false on failure. The only failure case is if timeout is negative. On failure, the
caller should call remctl_error() to retrieve the error message.
SEE ALSO
remctl_new(3), remctl_command(3), remctl_open(3), remctl_output(3), remctl_error(3)
The current version of the remctl library and complete details of the remctl protocol are available from its web page at
<http://www.eyrie.org/~eagle/software/remctl/>.
AUTHOR
Russ Allbery <rra@stanford.edu>
COPYRIGHT AND LICENSE
Copyright 2012 The Board of Trustees of the Leland Stanford Junior University
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. This file is offered as-is, without any warranty.
3.2 2012-06-19 REMCTL_SET_TIMEOUT(3)