#!/bin/bash
## form the intersection of 2 files;  Eugene Reimer  2010-04;
## for files that are set-like / uniquified, but need not be sorted  (for sorted files using join or comm may be slightly faster):
## see also:  SetIntersection  SetSubtract;
##
## This and other useful one-liners are found in:  http://www.pixelbeat.org/cmdline.html

sort "$1" "$2"      |uniq