<reponame>pavanvidem/galaxytools
#!/usr/bin/env python

import sys

out = open(sys.argv[4], "w+")

sep = sys.argv[3]
# un-sanitize Galaxy inputs
if sep == "X":
    sep = ";"

with open(sys.argv[1]) as handle:
    for line in handle:
        cols = line.split("\t")
        unfolding_column = int(sys.argv[2]) - 1
        column_content = cols[unfolding_column]
        for elem in column_content.split(sep):
            out.write(
                "\t".join(
                    cols[:unfolding_column] + [elem] + cols[unfolding_column + 1:]
                )
            )
out.close()
