Merge long list of PLINK files
ls ../bgn | sed 's/.bed//g' | sed 's/.bim//g' | sed 's/.fam//g' | sort -u | awk '{print "../bgn/"$1".bed","../bgn/"$1".bim","../bgn/"$1".fam"}' > mergelist.txt
../plink --merge-list mergelist.txt --maf 0.00000001 --geno 0.02 --make-bed --out pgbd_nomono_goodgeno