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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>
69 lines
1.2 KiB
Groff
69 lines
1.2 KiB
Groff
.Dd October 8, 2015
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.Dt CAL 1
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.Os sbase
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.Sh NAME
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.Nm cal
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.Nd show calendar
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.Sh SYNOPSIS
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.Nm
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.Op Fl 1 | Fl 3 | Fl y | Fl n Ar num
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.Op Fl s | Fl m | Fl f Ar num
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.Op Fl c Ar num
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.Oo Oo Ar month Oc Ar year Oc
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.Sh DESCRIPTION
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.Nm
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writes a calendar of
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.Ar month
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and
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.Ar year
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or the current month to stdout.
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If
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.Ar year
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is given without
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.Ar month ,
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.Nm
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writes a 3-column calendar of the whole
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year to stdout.
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The date formatting is according to
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.Xr localtime 3 .
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.Pp
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The Julian calendar is used until Sep 2, 1752.
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The Gregorian calendar is used starting the next day on Sep 14, 1752.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl 1
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Print current month.
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This is the default.
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.It Fl 3
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Print previous, current and next month.
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.It Fl c Ar num
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Print
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.Ar num
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calendars in a row.
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The default is 3.
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.It Fl f Ar num
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Set
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.Ar num
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(0 is Sunday, 6 is Saturday) as first day of week.
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.It Fl m
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Set Monday as first day of week.
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.It Fl n Ar num
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Output
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.Ar num
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months starting from and including the current month.
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.It Fl s
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Set Sunday as first day of week.
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.It Fl y
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Print the entire
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.Ar year
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or current year.
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.El
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.Sh SEE ALSO
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.Xr localtime 3
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.Sh STANDARDS
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POSIX.1-2013.
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.Pp
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The flags
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.Op Fl 13cfmnsy
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are an extension to that specification.
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