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Document the fact (bug?) that the -a option will normally process

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root's calendar files three times, once each for root, toor and
daemon.

This relates to bug 246943, but does not solve it.  See discussion in
bug report for more details.

PR:		246943
Reported by:	wcarson.bugzilla@disillusion.net
This commit is contained in:
Greg Lehey 2020-09-29 05:49:45 +00:00
parent a9f476580e
commit 314c5b3583
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=366243
1 changed files with 17 additions and 2 deletions
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19
usr.bin/calendar/calendar.1
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@ -70,9 +70,24 @@ Print lines from today and the next
.Ar num
days (forward, future).
.It Fl a
Process the ``calendar'' files of all users and mail the results
Process the ``calendar'' files for users found in
.Pa /etc/passwd
and mail the results
to them.
This requires super-user privileges.
This can result in multiple messages for specific files, since
.Pa /etc/passwd
does not require home directories to be unique.
In particular, by default
.Ar root ,
.Ar toor
and
.Ar daemon
share the same home directory.
If this directory contains calendar information,
.Nm
will process the file three times.
.Pp
This option requires super-user privileges.
.It Fl B Ar num
Print lines from today and the previous
.Ar num