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e9a910b33c
i currently use the output of sha512sum in several places of xbmk, which is a bit unreliable in case output changes. other cases where i use util outputs in variables are probably reliable, because i'm using mostly posix utilities in those. to mitigate this, i now import suckless sbase, which has a reasonable sha512sum implementation. *every* binary it builds is being placed in build.list, because i'll probably start using more of them. for example, i may start modifying the "date" implementation, adding the GNU-specific options that i need as mentioned on init.sh i'm importing it in util/ because the sha512sum util is needed for verifying project sources, so if sbase itself is a "project source", that means we can into a chicken and egg bootstrapping problem. this is sbase at revision: 055cc1ae1b3a13c3d8f25af0a4a3316590efcd48 Signed-off-by: Leah Rowe <leah@libreboot.org>
64 lines
1.1 KiB
Groff
64 lines
1.1 KiB
Groff
.Dd October 8, 2015
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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 d Ar time | Fl r Ar ref_file | Fl T Ar time | Fl t Ar time
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.Ar file ...
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.Sh DESCRIPTION
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.Nm
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sets the access and modification time of each
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.Ar file
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to the current time of day.
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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 d Ar time
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Set the
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.Ar time
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of the format YYYY-MM-DDThh:mm:SS[Z] used for
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.Op Fl am .
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.It Fl r Ar ref_file
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Set the
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.Ar time
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used for
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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 time
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Set the
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.Ar time
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used for
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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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.It Fl t Ar time
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Set the
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.Ar time
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of the format [[CC]YY]MMDDhhmm[.SS] used for
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.Op Fl am .
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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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POSIX.1-2013.
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Except for fractional seconds with
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.Op Fl d .
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.Pp
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The
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.Op Fl T
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flag is an extension to that specification.
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