def _copy_update(sourcepath, destname):
    """Copy source to dest only if source is newer."""
    if sys.platform.startswith('linux'):
        return os.system("/bin/cp -ua '%s' '%s'" % (sourcepath, destname))
    else:
        return os.system("rsync -ua '%s' '%s'" % (sourcepath, destname))
def _copy_update ( sourcepath , destname ) : if sys . platform . startswith ( 'linux' ) : return os . system ( "/bin/cp -ua '%s' '%s'" % ( sourcepath , destname ) ) else : return os . system ( "rsync -ua '%s' '%s'" % ( sourcepath , destname ) )
Copy source to dest only if source is newer.