gvim/mvim for macvim

gistfile1.sh

# ...

# Last step:  fire up vim.
# The program should fork by default when started in GUI mode, but it does
# not; we work around this when this script is invoked as "gvim" or "rgview"
# etc., but not when it is invoked as "vim -g".
if [ "$gui" ]; then
    #make macvim open stuff in the same window instead of new ones
    if $tabs && [[ `$binary --serverlist` = "VIM" ]]; then
        #exec "$binary" -g $opts --remote ${1:+"$@"}
	exec "$binary" -g $opts --remote-tab-silent ${1:+"$@"}
    else
	# Note: this isn't perfect, because any error output goes to the
	# terminal instead of the console log.
	# But if you use open instead, you will need to fully qualify the
	# path names for any filenames you specify, which is hard.
        exec "$binary" -g $opts ${1:+"$@"}
    fi
else
    exec "$binary" $opts ${1:+"$@"}
fi