some systems do not have zcat. also grep now handles more complicated ligation patterns

# Juicer version 1.5

if [ "$usegzip" -eq 1 ]

then 

    num1=$(paste <(zcat $name1$ext) <(zcat $name2$ext) | grep -c $ligation)

    num2=$(zcat ${name1}${ext} | wc -l | awk '{print $1}')

    num1=$(paste <(gunzip -c $name1$ext) <(gunzip -c $name2$ext) | grep -cE $ligation)

    num2=$(gunzip -c ${name1}${ext} | wc -l | awk '{print $1}')

else

    num1=$(paste $name1$ext $name2$ext | grep -c $ligation)

    num1=$(paste $name1$ext $name2$ext | grep -cE $ligation)

    num2=$(wc -l ${name1}${ext} | awk '{print $1}')

fi

echo -ne "$num1 " > ${name}${ext}_norm.txt.res.txt