#! /bin/sh## usertree shell script##  Modified July 14, 1992 to accept phylip_tree prolog fact.#if test $# -lt 1 -o $# -gt 2; then echo "Usage: $0 treefile [ L ]"; exit; firead first_lineecho "$first_line U $2"cat -egrep '((;)|(\)\.))[ 	]*$' $1 | wc -lcat $1