On Thu, 18 Sep 2008, blee2@tampabay.rr.com wrote:
> Thus Eben King hast written on Wed, Sep 17, 2008 at 08:52:20PM -0400, and, according to prophecy, it shall come to pass that:
>>> home/mp3/A
>>>
>>> with
>>>
>>> home/mp3/a/A
>>
>> Yes, in the case of Aphex_Twin and Abbot_+_Costello and all those "A"
>> groups. But for the rest, would I have to do something similar 26 times?
>> Or is there a regexp form that means "insert lowercase(#1) at #2"?
>>
>> /home/eben/mp3/_/_...
>
> Something I've done in similar cases where I want to build a listing of an entire directory is:
>
> find /home/mp3 > ~/foo.m3u
> vi ~/foo.m3u #edit appropriately
Sure, I did something like that to start off, and it's good for making a
playlist of _all_ the files. However, as I was making some
special-purpose m3us, I then weeded out files that didn't meet the
criterion.
> # Of course this will have to be modified if there are many, many files
> # Should sort in local sort order.
> for i in "/home/mp3/*/*"
> do
> echo '<a href='$i'>'$i'</a> <br>' >> ~/foo.m3u
> #Not sure why we're building links to mp3 files, but why not.
> done
Maybe I could do something like this, taking input from the existing file,
and use standard text-processing tools to do my dirty work, and not have to
figure out the vim syntax. Something like
while read line ; do
case "$line" in
/*) firstchar=$(sed ...)
capitalchar=$(...)
echo "$line" | sed ".../mp3/$capitalchar/..." ;;
*) echo "$line" ;;
esac
done < existing.m3u > test.m3u
Good thing I'm not on a slow computer. Iterating through lines is to be
avoided. Better if I can rig sed to process the whole file in one run.
Hmm, might something like this do:
sed -e "/^#/n" -e "/^\\//s@/mp3/\\(.\\)$@/mp3/?/\\1@"
The thingy for lowercasing a letter goes in place of the '?'. But that's as
bad as the vim problem, s/vim/sed/, since I don't know how to do that.
-- -eben QebWenE01R@vTerYizUonI.nOetP royalty.mine.nu:81 PISCES: Try to avoid any Virgos or Leos with the Ebola virus. You are the Lord of the Dance, no matter what those idiots at work say. -- Weird Al, _Your Horoscope for Today_ ----------------------------------------------------------------------- This list is provided as an unmoderated internet service by Networked Knowledge Systems (NKS). Views and opinions expressed in messages posted are those of the author and do not necessarily reflect the official policy or position of NKS or any of its employees.
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