diff options
Diffstat (limited to 'bin/date/date.1')
| -rw-r--r-- | bin/date/date.1 | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/bin/date/date.1 b/bin/date/date.1 index 9d02c09..7e8bf48 100644 --- a/bin/date/date.1 +++ b/bin/date/date.1 @@ -33,7 +33,7 @@ .\" SUCH DAMAGE. .\" .\" @(#)date.1 8.3 (Berkeley) 4/28/95 -.\" $Id: date.1,v 1.11 1997/02/22 14:02:31 peter Exp $ +.\" $Id: date.1,v 1.12 1997/04/16 05:59:20 danny Exp $ .\" .Dd November 17, 1993 .Dt DATE 1 @@ -48,7 +48,8 @@ .Op Fl t Ar minutes_west .Op Fl nu .Op Cm + Ns Ar format -.Op [yy[mm[dd[hh]]]]mm[\&.ss] +.Op Fl DWMY Ar [+|-]val +.Op [[[[yy]mm]dd]hh]mm[\&.ss] .Sh DESCRIPTION .Nm displays the current date and time when invoked without arguments. @@ -97,6 +98,27 @@ by future calls to Display or set the date in .Tn UCT (universal) time. +.It Fl DWMY +Adjust the month day, week day, month or year according to +.Ar val . +If +.Ar val +is preceeded with a plus or minus sign, the date is adjusted forwards +or backwards according to the remaining string, otherwise the relevent +part of the date is set. The date can be adjusted as many times as +required using these flags. Flags are processed in the order given. +.Pp +Month days are in the range 1-31, week days are in the range 0-6 +(sun-sat), months are in the range 1-12 (jan-dec) and years are in +the range 80-38 or 1980-2038. +.Pp +The week day or month may be specified using a name rather than a +number. If a name is used with the plus (or minus) sign, the date +will be put forwards (or backwards) to the next (previous) date that +matches the given week day or month. This will not adjust the date +if the given week day or month is the same as the current one. +.Pp +Refer to the examples below for further details. .El .Pp An operand with a leading plus (``+'') sign signals a user-defined format @@ -150,6 +172,40 @@ TIME: 13:36:16 .Pp The command: .Bd -literal -offset indent +date -M1 -Y+1 +.Ed +.Pp +will display: +.Bd -literal -offset indent +Sun Jan 4 03:15:24 GMT 1998 +.Ed +.Pp +(where it is currently Mon Aug 4 04:15:24 BST 1997). +.Pp +The command: +.Bd -literal -offset indent +date -D1 -M3 -Y0 -D-1 +.Ed +.Pp +will display the last day of February in the year 2000: +.Bd -literal -offset indent +Tue Feb 29 03:18:00 GMT 2000 +.Ed +.Pp +The command: +.Bd -literal -offset indent +date -D1 -M+1 -D-1 -W-fri +.Ed +.Pp +will display the last friday of the month: +.Bd -literal -offset indent +Fri Aug 29 04:31:11 BST 1997 +.Ed +.Pp +(where it is currently Mon Aug 4 04:31:11 BST 1997). +.Pp +The command: +.Bd -literal -offset indent date 8506131627 .Ed .Pp |
