# OS shell command escaping
#
def quote(ins):
    if type(ins) is list:
        return " ".join([quote(s) for s in ins])
    # Windows: double quotes
    elif conf.windows:
        if re.search(r"""[()<>&%!^'";\s]""", ins):
            ins = re.sub(r"([()<>&%^])", "^$1", ins)
            ins = ins.replace('"', '\\^"')
            return '"%s"' % ins
        else:
            return subprocess.list2cmdline([ins])
    # Posix-style shell quoting
    else:
        return pipes.quote(ins)
        return "%r" % ins


# Convert e.g. "text/x-scpls" MIME types to just "pls" monikers