On 2002-08-23 at 09:35 -0400, Scott Lipcon wrote:
> Here's something I figure is possible in zsh, but I don't know how -
> I'd like to be able to do an ls in a directory of source code while
> its being built, and basically say: show me all the .c files for which
> there doesn't exist a .o file.   Right now I'm using:
> 
> ls -1 *.[co] | cut -f 1 -d"." | uniq -c | grep 1
> 
> but there has to be a zsh way to do that without 3 pipes.  Any ideas?

print -l -- *.c(e:[[ ! -f '${REPLY%.c}.o' ]]:)

See zshexpn(1) and "Glob Qualifiers" therein.
-- 
Whatever kind of look you were going for, you missed.