Shell Programming and Scripting

nawk '{print length($0)}' $fdate > filelength.txt
totrec=`cat filelength.txt | wc -l`
i=1
while [ $i -le $totrec ]
if [ $i -gt 1 ] && [ $i -lt $totrec ]; then
    if [ D -eq `nawk "(NR==${i}){print}" $fdate | cut -b1` ]; then
        if [ `nawk "(NR==${i}){print}" filelength.txt` -eq 3168 ]; then
        tabrec=`nawk '/[\t]/ {if (NR==\$i) {print $0} }' $fdate`
        echo $tabrec
            if [ `nawk '/[\t]/ {if (NR==\$i) {print NR} else {print 0} }' $fdate` ]; then
            echo "The Detail record $i has a tab character inside it"
            nawk "(NR==${i}){print} $fdate" >> ./error/$fdate.err
            else
            echo "The Detail record $i looks fine"
            nawk "(NR==${i}){print} $fdate" >> ./output/$fdate.dat
            fi
        else
        echo "The Detail record $i length is not proper"
        nawk "(NR==${i}){print} $fdate" >> ./error/$fdate.err
        fi
    else
    echo "The Detail record $i format is not proper"
    nawk "(NR==${i}){print} $fdate" >> ./error/$fdate.err
    fi
fi
i=`expr $i + 1`
done