SHELL SCRIPT PARSING LOGFILE

#!/bin/bash
 
#initialize temp files
echo "" > topimages.txt
echo "" > images.txt
echo "" > unique.txt
echo "" > all.txt
 
if [ "$1" = "" ]; then
        echo -e "normally use like this:"
        echo -e "	./getTopPages.sh $1"
        echo -e "	get all jpg's -- ./getTopPages.sh jpg"
        echo -e "	get everything in photos -- ./getTopPages.sh photos"
        echo -e "*****" 
        exit
fi 
 
#live server logfile
logfile=/var/log/httpd/...
 
grep $1 $logfile| awk '{print $7}' | sort > all.txt
echo found: $(grep '^.*$' all.txt -c) images total...
 
grep $1 $logfile| awk '{print $7}' | sort | uniq > unique.txt
echo found: $(grep '^.*$' unique.txt -c) unique images...
 
echo '<images>' > images.txt
 
        for i in $( grep '^.*$' unique.txt  ); do
 
                        cnt=$( grep $i all.txt -c )
 
                        #add leading zeros
                        if test $cnt -lt 10; then
                                 lzcnt=0000$cnt
                        elif test $cnt -lt 100; then
                                 lzcnt=000$cnt
                        elif test $cnt -lt 1000; then
                                 lzcnt=00$cnt
                        elif test $cnt -lt 10000; then
                                 lzcnt=0$cnt
                        elif test $cnt -lt 100000; then
                                 lzcnt=$cnt
                        else
                            	 lzcnt=$cnt
                        fi
 
                        echo '<image count="'$lzcnt'" src="'$i'" />' >> images.txt
 
        done
 
sort images.txt -r -k17 > topimages.xml
echo '</images>' >> topimages.xml
 
echo removing temp files...
 
rm images.txt
rm unique.txt
rm all.txt
rm topimages.txt