jtb

# Written by Justin Brown (jbrown23+gist {at} gmail [dot] com)
# November 26, 2012

if [ $# -lt 1 ] ; then
    echo "1-way, 2-way, or 3-way Venn Diagram"
    echo "Usage:"
    echo "    sh venn.sh file1 [file2] [file3]"
    echo " Input:"
    echo "    1, 2, or 3 lists for comparison"
    echo " Output:"

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