Hudson table to F statistic analysis

This Perl script converts a Hudson table to input for heirfstat.
The script converts SNP genotyping data in two line format, a format used for Richard Hudson's maxdip program and for libsequence tools, into genotype data appropriate for estimation of F statistics in heirfstat. Note that script deals with the genotype information, but to calculate F statistics the user will need to provide a population identifier for each sample.