I'm writing a script to generate my own version of the vim docs and I'm trying 
to find a better way of getting the information I need.

The variable 'runtimepath' contains the paths of all the directories that will 
be searched for doc and tags files.  So, I want to check each of these 
directories.

If I run the following command I get the default or base set of directories.

 $ vim --cmd 'echo &rtp' --cmd 'q' /dev/null
 
/home/harleypig/.vim,/usr/share/vim/vimfiles,/usr/share/vim/vim73,/usr/share/vim/vimfiles/after,/home/harleypig/.vim/after

But that's incomplete.  The '--cmd' is run *before* any configuration files are 
parsed and handled. However, if I run the same command with the '-c' switch, 
which is run *after* configuration files are handled, I get all the correct 
directories--I also get a bunch of ANSI escape sequences.  I have to dump it in 
a file to see it, the codes clear the screen.

 $ vim -c 'echo &rtp' -c 'q' /dev/null > t
 Vim: Warning: Output is not to a terminal

I've tried filtering it through 'col' and 'col -b' but that just strips the ESC 
codes, leaving a jumbled mess.

I'm using perl's Regexp::Common::ANSIescape to strip out the escape codes, and 
it seems to be reliable so far.  But it would be better if there weren't any 
ansi codes in the first place.

So.  Is there a way to get the value from vim without the ansi codes?

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