export_PWM: Export Position-Weight Matrix to file
In MyersGroup/MotifFinder: A Bayesian, De Novo, Joint Motif Finder

Export Position-Weight Matrix to file

1	export_PWM(pwm, name, file, format = "meme", complement = FALSE)

`pwm`	matrix; a PWM e.g. the output of get_PWM() OR the output of findamotif()
`name`	character; a name for the motif to include in the file header
`file`	character; path & filename to save file to e.g. "data/motif1.txt"
`format`	character; the file format to use, either "uniprobe" or "meme"
`complement`	logical; if input is a list from findamotif() should the motif be the reverse complment