Update the access and modification times of each FILE to the current time.
A FILE argument that does not exist is created empty, unless -c or -h
A FILE argument string of – is handled specially and causes touch to
change the times of the file associated with standard output.
Mandatory arguments to long options are mandatory for short options too.
The –date=STRING is a mostly free format human readable date string
such as "Sun, 29 Feb 2004 16:21:42 -0800" or "2004-02-29 16:21:42" or
even "next Thursday". A date string may contain items indicating
calendar date, time of day, time zone, day of week, relative time,
relative date, and numbers. An empty string indicates the beginning
of the day. The date string format is more complex than is easily
documented here but is fully described in the info documentation.
Report touch bugs to [email protected]
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report touch translation bugs to <http://translationproject.org/team/>
Copyright © 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
The full documentation for
is maintained as a Texinfo manual. If the
programs are properly installed at your site, the command
should give you access to the complete manual.