1#!/bin/sh
2
3set -e
4
5if [ $# -lt 2 ]; then
6    echo "Usage: $0 output.exp input1 [input2 ... ]" 1>&2
7    exit 1
8fi
9
10OUTPUT="$1"
11shift
12
13( grep -h -v ":" "$@"; grep -h ":" "$@" | awk -F: '{print $2}' ) | sort -u > "$OUTPUT"
14
15exit 0
16