#!/bin/sh

prog=`basename $0`
usage() {
    echo "Usage:"
    echo "    $prog [-u] file"
    echo ""
    echo "$prog searches for path-like strings in any file."
    echo "It is particularly useful for finding filenames in binary files."
    echo ""
    echo "Options:"
    echo "    -h	Print this message, then exit."
    echo "    -u	Do not pass output through 'sort -u'."
}

set -- `getopt hu ${1+"$@"}`
if [ $? != 0 ] ; then usage ; exit 1 ; fi

unique=1
for i in ${1+"$@"}; do
    case "$i" in
	-h ) usage; exit 0 ;;
	-u ) unique=0; shift ;;
	-- ) shift; break ;;
    esac
done
if [ $# != 1 ] ; then echo "Usage: $0 [-u] file" ; exit ; fi

strings -a "$1" |
    awk '!/\/.*\// || length > 400 || /[ 	{}<>()]/ {next} {print}' |
	case "$unique" in 
	    0 ) cat ;;
	    1 ) sort -u ;;
	esac