genome_prepare/script/pid2gid.awk

BEGIN{
    FS=OFS="\t"
}
FNR==NR{
    if(!a[$2]){
        a[$2]=$1
    }else{
        a[$2]=a[$2]";"$1
    }
}
FNR!=NR{
    if(a[$1] && a[$2]){
        split(a[$1],g1,";")
        split(a[$2],g2,";")
        for(i1 in g1){
            for(i2 in g2){
                if(g1[i1] != g2[i2]){
                    print g1[i1],g2[i2],$3,$4,$5,$6,$7,$8,$9,$10
                }
            }
        }
    }
}