Easiest scripting method to merge two text files - Ruby, Python, JavaScript, Java?

Question

I have two text files, one containing HTML and the other containing URL slugs:

FILE 1 (HTML):

Answer 1

This will be easy in any language. Here it is in pseudo-Python; I've omitted the lxml bits because I don't have access to them and I can't quite remember the syntax. They're not difficult, though.

with open(...) as htmls, open(...) as slugs, open(...) as output:
    for html, slug in zip(htmls, slugs):
        root = lxml.etree.fromstring(html)
        # do some fiddling with lxml to get the name

        slug = slug.split("-")[(len(name.split()):]
        # add in the extra child in lxml

        output.write(root.tostring())

Interesting features:

• This doesn't read in the entire file at once; it does it chunk by chunk (well, line-by-line but Python will buffer it). Useful if the files are huge, but probably irrelevant.

• lxml may be overkill, depending on how rigid the format of the html strings is. If they're guaranteed to be the same and all well-formed, it might be easier for you to use simple string operations. On the other hand, lxml is pretty fast and offers a lot more flexibility.