Doing cascading.multitool scripting with files

test.sh

#!/usr/bin/env bash
# Copyright (c) 2011 Concurrent, Inc.

mt_path=`pwd`

content=`cat $0 | sed 's/^\s*#.*//g' | tr "\n" " " | sed 's/.*!#//'`
exec $mt_path/bin/multitool `eval echo $content`
!#

# set the source
source=$mt_path/data/artist.100.txt

# cut the first column
cut=0

# save the result to output
sink=$mt_path/output