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Update man page.

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Dianne Skoll
2020-01-01 18:30:46 -05:00
parent f13b867626
commit 623ed44608
2 changed files with 13 additions and 9 deletions
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20
man/remind.1
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@@ -3459,12 +3459,12 @@ ends. Otherwise, \fBRemind\fR computes the next trigger date, and re-tests
or non-null, or until the iteration limit specified with the \fB\-x\fR
command-line option is reached.
.PP
If \fIexpr\fR is not satisfied, then \fBtrigvalid()\fR is set to 0.
Otherwise, \fBtrigvalid()\fR is set to 1. In any event, no error message
is issued.
If \fIexpr\fR is not satisfied, then \fBtrigvalid()\fR is set to 0 and
the error message "Can't compute trigger" is issued. Otherwise,
\fBtrigvalid()\fR is set to 1.
.PP
This is really useful only if \fIexpr\fR involves a call to the
\fBtrigdate()\fR function; otherwise, \fIexpr\fR will not change as
\fBtrigdate()\fR or related functions; otherwise, \fIexpr\fR will not change as
\fBRemind\fR iterates.
.PP
An example of the usefulness of \fBSATISFY\fR: Suppose you wish to
@@ -3487,6 +3487,12 @@ more complicated sequence:
ENDIF
.fi
.PP
You can write the REM statement a little more concisely:
.PP
.nf
REM 13 SATISFY $Tw == 5
.fi
.PP
Let's see how this works. The \fBSATISFY\fR clause iterates through
all the 13ths of successive months, until a trigger date is found whose
day-of-week is Friday (== 5). If a valid date was found, we use the
@@ -3549,16 +3555,14 @@ the reminder is not triggered.
Thus, the "Friday the 13th" example can be expressed more compactly as:
.PP
.nf
REM 13 +2 SATISFY [wkdaynum(trigdate()) == 5] \\
MSG Friday the 13th is %b.
REM 13 +2 SATISFY [$Tw == 5] MSG Friday the 13th is %b.
.fi
.PP
And you can trigger a reminder on Mondays, Wednesdays and Thursdays
occurring on odd-numbered days of the month with the following:
.PP
.nf
REM Mon Wed Thu SATISFY [day(trigdate())%2] \\
MSG Here it is!!!
REM Mon Wed Thu SATISFY [$Td %2 ] MSG Here it is!!!
.fi
.PP
Note that \fBSATISFY\fR and \fBOMITFUNC\fR can often be used to solve the

2
sync-to-dianne-git
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@@ -1,7 +1,7 @@
#!/bin/sh
cd /home/dfs/Software/Remind.git || exit 1
rm -f .git/COMMIT_EDITMSG
rm -f .git/COMMIT_EDITMSG .git/*~
git update-server-info && cd .git && rsync --archive --verbose --progress --delete ./ dianne.skoll.ca:web/projects/remind/git/Remind.git/
exit $?