#!/usr/bin/python

"""Reads in a Matlab/Octave line of the following form:
function [out1,out2,...] = function_name(input1,input2,...)

And outputs skeleton comments for documentation."""

import fileinput, re, time

txt=fileinput.input()[0]
mobj=re.match(r'function \[?([^[\]=]*)[^(]*\(([^)]*).*',txt)
outstr=mobj.group(1)
instr=mobj.group(2)
outputs=re.split(',',outstr)
inputs=re.split(',',instr)

# Format considering maximum length of any input or output argument
maxlen=max([max(map(len,l)) for l in outputs, inputs])
outformat = '%%%% 	%%%ds ?x? ' % maxlen

print '%', txt,
print '%'
print '% Function to...'
print '%'

print '% Inputs:'
for input in inputs:
	print outformat % input

print '%'
print '% Outputs:'
for output in outputs:
	print outformat % output

print
print '% Iain Murray,', time.strftime('%B %Y',time.localtime())