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TOUCH(1L) TOUCH(1L)
NNAAMMEE
touch - change file timestamps
SSYYNNOOPPSSIISS
ttoouucchh [-acfm] [-r reference-file] [-t MMD-
Dhhmm[[CC]YY][.ss]] [-d time]
[--time={atime,access,use,mtime,modify}] [--date=time]
[--file=reference-file] [--no-create] [--help] [--version]
file...
DDEESSCCRRIIPPTTIIOONN
This manual page documents the GNU version of ttoouucchh.
ttoouucchh changes the access and modification times of each
given file to the current time. Files that do not exist
are created empty. If the first file name given would be
a valid argument to the _-_t option and no timestamp is
given with any of the _-_d, _-_r, or _-_t options and the _-_-
argument is not given, that argument is interpreted as the
time for the other files instead of as a filename.
If changing both the access and modification times to the
current time, ttoouucchh can change the timestamps for files
that the user running it does not own but has write per-
mission for. Otherwise, the user must own the files.
OOPPTTIIOONNSS
_-_a_, _-_-_t_i_m_e_=_a_t_i_m_e_, _-_-_t_i_m_e_=_a_c_c_e_s_s_, _-_-_t_i_m_e_=_u_s_e
Change the access time only.
_-_c_, _-_-_n_o_-_c_r_e_a_t_e
Do not create files that do not exist.
_-_d_, _-_-_d_a_t_e _t_i_m_e
Use _t_i_m_e (which can be in various common formats)
instead of the current time. It can contain month
names, timezones, `am' and `pm', etc.
_-_f Ignored; for compatibility with BSD versions of
ttoouucchh.
_-_m_, _-_-_t_i_m_e_=_m_t_i_m_e_, _-_-_t_i_m_e_=_m_o_d_i_f_y
Change the modification time only.
_-_r_, _-_-_f_i_l_e _r_e_f_e_r_e_n_c_e_-_f_i_l_e
Use the times of _r_e_f_e_r_e_n_c_e_-_f_i_l_e instead of the cur-
rent time.
_-_t _M_M_D_D_h_h_m_m_[_[_C_C_]_Y_Y_]_[_._s_s_]
Use the argument (months, days, hours, minutes,
optional century and years, optional seconds)
instead of the current time.
_-_-_h_e_l_p Print a usage message and exit with a non-zero sta-
tus.
FSF GNU File Utilities 1
TOUCH(1L) TOUCH(1L)
_-_-_v_e_r_s_i_o_n
Print version information on standard error then
exit.
FSF GNU File Utilities 2