#!/bin/ksh

# dir ---------> nombre de directorio
# numzip ------> cantidad de zips que hay en cada directorio
# zipname -----> nombre de cada zip en el directorio
# numrar ------> cantidad de rars que hay en cada directorio
# rarname -----> nombre de cada rar en el directorio
# log  --------> ruta de los logs
# data --------> directorio de software
# identstr ----> las 3 primeras letras de los ficheros, sirve como wild card

export log=e:\/download\/\/log
export data=e:\/download\/\/rips
export ddate=`date +%C%y%m%d`

unzip()
{
for dir in `grep ^ dir.txt`
do	
	cd $dir
	echo "checking for zips in $dir" >> $log\/${ddate}error.txt
	ls *.zip > zip.txt 2>> $log\/${ddate}error.txt
	if [ $? -eq 0 ]
	then
	numzip=`cat zip.txt | wc -l`
	identstr=`head -1 zip.txt | awk '{print substr($1, 1,3)}'`
	pkunzip -od $identstr\*.zip >> $log\/${ddate}uncompress.log
	status=$?
		if [ `ls *.zip | wc -l` -gt $numzip ]
		then
			echo "More zips were extracted in $dir" >> $log\/${ddate}error.txt
		fi
		case $status in
		0) for zipname in `grep ^ zip.txt`
		   do	
			rm $zipname
		   done
		   ;;
		1) echo "Pkunzip exits with error status 1"
		   ;;
		11) echo "CRC Error during zip extraction in $dir, Status 11" >> $log\/${ddate}error.txt
		    ;;
		*) print "Unexpected exit status, error in $dir" >> $log\/${ddate}error.txt
		   ;;
		esac
	fi
	cd $data
done
}

unrar()
{
for dir in `grep ^ dir.txt`
do	
	cd $dir
	echo "checking for rars in $dir" >> $log\/${ddate}error.txt
	ls *.r* > rar.txt 2>> $log\/${ddate}error.txt
	if [ $? -eq 0 ]
	then
	numrar=`cat rar.txt | wc -l`
	identstr=`head -1 rar.txt | awk '{print substr($1, 1,3)}'`
	rar x -z -y $identstr\*.rar >> $log\/${ddate}uncompress.log
	status=$?
		if [ `ls *.r* | wc -l` -gt $numrar ]
		then
			echo "More rars were extracted in $dir" >> $log\/${ddate}error.txt
		fi
		case $status in
		0) for rarname in `grep ^ rar.txt`
		   do	
			rm $rarname
		   done
		   ;;
		3) echo "CRC Error during rar extraction in $dir" >> $log\/${ddate}error.txt
		   ;;
		*) print "Unexpected exit status, error in $dir" >> $log\/${ddate}error.txt
		   ;;
		esac
	fi
	cd $data
done
}

cleanup()
for dir in `grep ^ dir.txt`
do	
	cd $dir
	rm rar.txt zip.txt *.diz 2>> $log\/${ddate}error.txt
	cd $data
done

echo "Please select uncompressing options"
echo "1. unzip only"
echo "2. unrar only"
echo "3. unzip & unrar"
echo "4. unzip, unrar & cleanup"
echo "5. cleanup only\n"

read option

echo "Error Log starting.........................................\n" > $log\/${ddate}error.txt
echo "Process Log starting.........................................\n" > $log\/${ddate}uncompress.log

case $option in
1) unzip
   ;;
2) unrar
   ;;
3) unzip
   unrar
   ;;
4) unzip
   unrar
   cleanup
   ;;
5) cleanup
   ;;
*) print "Please insert options 1 ~ 5"
   ;;
esac