Make updates to the since state files atomic. This option
since to use a temporary file and a
instead of updating the state file in situ.
Specify the number of integer seconds to wait between
polling files for changes. This option is only relevant
in conjunction with the
-f option and if the inotify mechanism is not being used.
Print the header lines to standard error instead of
Follow the specified files. This option is analogous to
tail -f as the files are also polled for changes until the
process is interrupted.
Print a terse help message.
Relaxed mode. If some data files are inaccessible
since will not fail completely.
instead to access state and data files.
Note that for certain smaller io operations
may be used even if this option has not been given.
Do not update the
.since file which keeps track of file growth.
Make the utility operate more quietly.
Specify the state file explicitly. Using this option
will also disable the use of fallback state files.
Increase the verbosity. This option can be given
Ignore file arguments which have compressed extensions.
Discard output. Similar to redirecting the
/dev/null, but faster. If used in conjunction with
-f option, only the initial output will be discarded.
State file recording the length of the previously displayed files. The location of the file can be set on the command line using the -s option. If this option is not given, since will check the SINCE environment variable for the location of the state file. If the SINCE environment variable has not been set since will use the HOME environment variable and store the information in the file $HOME/.since. If the HOME variable is not set, since will use a getpwuid(3) lookup. If all these fail will use the file /tmp/since.
since uses the inode of a file as its key, if that inode is recycled since will get confused. since is not particularly efficient when storing or looking up the stat(2) information. Functionality equivalent to since can probably be achieved with a number of trivial shell scripts.
since may only be used, distributed and modified in accordance with the terms of the GPL (GNU General Public License) version 3 or newer as published by the FSF (Free Software Foundation).
|FreeBSD||SINCE (1)||JULY 1998|