Bash command `lf` - like ls but selects glob-matched files in an OS X Finder window

bashSelectByGlobInFinder.sh

# An lf command in my ~/.bash_profile
# like a simple ls, but selects the glob-matched files in the Finder
# `lf *.txt` to Finder-select all *.txt files in the working directory
# `lf *.[^t]?? to Finder-select all files with a 3-char extension which doesn't start with t
lf() {
	local IFS=":"; local f=$@; local seln=""; fldr="$(pwd)"
	for l in ${f[@]}; do
		if [[ ! -d $l ]]; then
			seln=$seln"file \"$l\", " 
		fi
	done
	local lst="{${seln:0:${#seln}-2}}"
osascript <<AS_END
	tell application "Finder"
		set str to POSIX path of (insertion location as string)
		if "$fldr/" is not str then do shell script ("open -a Finder ./")
		activate
		tell front Finder window to select $lst
	end tell
	return ""
AS_END
};