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freebsd/usr.sbin/periodic/periodic.sh
David Malone 68c35072f9 Add an option to make periodic(8) quiet when no output was generated.
The man page part of the patch is my fault, the changes to the
periodic script is Dominik's.

PR:		88486
Submitted by:	Dominik Brettnacher <domi@saargate.de>
Reviewed by:	brian
Approved by:	re
MFC after:	1 month
2007-06-22 10:04:05 +00:00

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#!/bin/sh -
#
# $FreeBSD$
#
# Run nightly periodic scripts
#
# usage: periodic { daily | weekly | monthly } - run standard periodic scripts
# periodic /absolute/path/to/directory - run periodic scripts in dir
#
usage () {
echo "usage: $0 <directory of files to execute>" 1>&2
echo "or $0 { daily | weekly | monthly }" 1>&2
exit 1
}
if [ $# -lt 1 ] ; then
usage
fi
# If possible, check the global system configuration file,
# to see if there are additional dirs to check
if [ -r /etc/defaults/periodic.conf ]; then
. /etc/defaults/periodic.conf
source_periodic_confs
fi
host=`hostname`
export host
tmp_output=`mktemp ${TMPDIR:-/tmp}/periodic.XXXXXXXXXX`
# Execute each executable file in the directory list. If the x bit is not
# set, assume the user didn't really want us to muck with it (it's a
# README file or has been disabled).
for arg
do
# Where's our output going ?
eval output=\$${arg##*/}_output
case "$output" in
/*) pipe="cat >>$output";;
"") pipe=cat;;
*) pipe="mail -E -s '$host ${arg##*/} run output' $output";;
esac
success=YES info=YES badconfig=NO empty_output=YES # Defaults when ${run}_* aren't YES/NO
for var in success info badconfig empty_output
do
case $(eval echo "\$${arg##*/}_show_$var") in
[Yy][Ee][Ss]) eval $var=YES;;
[Nn][Oo]) eval $var=NO;;
esac
done
case $arg in
/*) if [ -d "$arg" ]
then
dirlist="$arg"
else
echo "$0: $arg not found" >&2
continue
fi;;
*) dirlist=
for top in /etc/periodic ${local_periodic}
do
[ -d $top/$arg ] && dirlist="$dirlist $top/$arg"
done;;
esac
{
empty=TRUE
processed=0
for dir in $dirlist
do
for file in $dir/*
do
if [ -x $file -a ! -d $file ]
then
output=TRUE
processed=$(($processed + 1))
$file </dev/null >$tmp_output 2>&1
rc=$?
if [ -s $tmp_output ]
then
case $rc in
0) [ $success = NO ] && output=FALSE;;
1) [ $info = NO ] && output=FALSE;;
2) [ $badconfig = NO ] && output=FALSE;;
esac
[ $output = TRUE ] && { cat $tmp_output; empty=FALSE; }
fi
cp /dev/null $tmp_output
fi
done
done
if [ $empty = TRUE ]
then
if [ $empty_output = TRUE ]
then
[ $processed = 1 ] && plural= || plural=s
echo "No output from the $processed file$plural processed"
fi
else
echo ""
echo "-- End of $arg output --"
fi
} | eval $pipe
done
rm -f $tmp_output