cd to current finder window

.bash_profile

# cdf: cd to the directory in the Finder's front window
alias cdf='cd "$(~/UNIX/bin/posd)"'

gistfile1.sh

#!/bin/sh

thePath="$( osascript<<END
try
	tell application "Finder" to set the source_folder to (folder of the front window) as alias
on error -- no open folder windows
	set the source_folder to path to desktop folder as alias
end try

set thePath to (POSIX path of the source_folder as string)
set result to thePath
END
 )"
#thePath="$( echo "$thePath" | /usr/bin/sed 's/ /\\ /g' )"
if [ -n "${thePath%/*}" ]; then
	if [ -d "$thePath" ]; then
		echo "${thePath%/}"
	else
		echo "${thePath%/*}"
	fi
else
	echo "/"
fi