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54 lines
928 B
Groff
54 lines
928 B
Groff
.Dd February 9, 2014
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.Dt TOUCH 1
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.Os sbase
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.Sh NAME
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.Nm touch
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.Nd set file timestamps
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.Sh SYNOPSIS
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.Nm
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.Op Fl acm
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.Op Fl r Ar ref_file | t Ar timestamp
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.Ar file ...
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.Sh DESCRIPTION
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.Nm
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sets the access or modification time of each
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.Ar file
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to the current time of day. If
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.Ar file
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doesn't exist, it is created with default permissions.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl a | Fl m
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Set the access | modification time of
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.Ar file.
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.It Fl c
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Don't create
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.Ar file
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if it doesn't exist, not affecting exit status.
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.It Fl r Ar ref_file
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Set the timestamp
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to be used with
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.Op Fl am
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to the modification time of
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.Ar ref_file .
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.It Fl t Ar timestamp
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Set the
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.Ar timestamp
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to be used with
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.Op Fl am
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given as the number of seconds since the
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Unix epoch 1970-01-01T00:00:00Z.
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.El
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.Sh SEE ALSO
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.Xr date 1
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.Sh STANDARDS
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The
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.Nm
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utility is compliant with the
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.St -p1003.1-2008
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specification except from the
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.Ar timestamp
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format of the
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.Fl t
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flag.
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