Anzahl der Muster in syslog nach Wochentag

# cat check-syslog.sh

#
# $0 [-q] "pattern"  ["syslog-file"]
#

if test ":$1" = ":-q"
then
        shift
        DEBUG=0
fi

PAT=$1
shift

if test -z "$1"
then
        LIST=/var/log/syslog
else
        LIST=$(echo $*)
fi

for i in $LIST
do

        test -z "$DEBUG" && echo "file: $i " >&2
        if file  $i|  grep -q gzip
        then
                gzip -cd $i | grep -i "$PAT"
        else

                grep -i "$PAT"  $i
        fi

done |  cut -c-16 | sort |  while  read date; do date -d "$date" "+%a"; done |  sort | uniq -c

Beispiele:

# ./check-syslog.sh  smart
file: /var/log/syslog
     21 Wed

# ./check-syslog.sh  smart /var/log/syslog /var/log/syslog.1
file: /var/log/syslog
file: /var/log/syslog.1
    111 Tue
     21 Wed

# ./check-syslog.sh  -q smart /var/log/syslog*
     92 Fri
     85 Mon
     87 Sat
     76 Sun
     85 Thu
    111 Tue
    101 Wed