William Ballard wrote: > Example: > I'd like to investigate the most popular RSS readers Debian offers. > > $apt-cache search rss | cut -d' ' -f1 > rss.txt > $wget http://popcon.debian.org/main/by_vote.gz > > I'd like to "filter" by_vote.gz to just the package names > in "rss.txt". In SQL this would be a join. I'd like it > to be "fast". Do I have to do this in SQL?
Grep has a '-f' options that reads patterns from a file, one per line. Something like this may work, though I'm not sure how "fast" it might be: zgrep -f rss.txt by_vote.gz Adam -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]