updated stuff

zsh/libs/grep.zsh

@@ -1,16 +1,13 @@
-# is x grep argument available?
 grep-flag-available() {
     echo | grep $1 "" >/dev/null 2>&1
 }
 
 GREP_OPTIONS=""
 
-# color grep results
 if grep-flag-available --color=auto; then
     GREP_OPTIONS+=" --color=auto"
 fi
 
-# ignore VCS folders (if the necessary grep flags are available)
 VCS_FOLDERS="{.bzr,CVS,.git,.hg,.svn}"
 
 if grep-flag-available --exclude-dir=.cvs; then
@@ -19,10 +16,8 @@ elif grep-flag-available --exclude=.cvs; then
     GREP_OPTIONS+=" --exclude=$VCS_FOLDERS"
 fi
 
-# export grep settings
 alias grep="grep $GREP_OPTIONS"
 
-# clean up
 unset GREP_OPTIONS
 unset VCS_FOLDERS
 unfunction grep-flag-available