Shell Programming and Scripting

3.764724 3.765135 3.780947 3.785922 2.918862 3.791665 3.776370 2.918862 3.773137 3.778527 3.773680 2.943051 3.782568 3.771691 3.773778 3.765135 0.000000 3.773137 3.773778 3.779468

1  AAN  97  APN  7.789069
1  AAN  98  ASK  9.827249
1  AAN  99  DAS  7.531465
2  BBM  1    GFD  3.786426
2  BBM  2    RYT  0.000000
2  BBM  3    RGF  3.764724
2  BBM  4    MKH  6.393094
2  BBM  5    POU  8.005275
2  BBM  6    PHE   6.145675...... AND SO ON..

awk '
NR==1{s=$1; next}
$2=="BBM" && $5==s {print $4}
' Afile Bfile

for i in $(<file1); do awk '($5 " " $2) ~ /'$i' BBM/ {print $4}' file2; done
RGF
RYT

name=list1
exec<$fname
while read line
       do
 
        f2name=list2
        exec<$f2name
        while read line2
        do
 
        awk ' NR==1{a=$1; next} $2=="BBM" && $5==a {print $4}' $line $line2> $line"456"
        done
done

RGF
HGD
ALA
ALA
ALA
ALA
ALA
ALA
ALA
ALA
ALA
ALA
ALA