1#! /bin/sh 2# 3# @(#)explain.sh 4.4 (Berkeley) 82/11/06 4# 5trap 'rm $$; exit' 1 2 3 15 6D=/usr/lib/explain.d 7while echo "phrase?";read x 8do 9cat >$$ <<dn 10/$x.* /s/\(.*\) \(.*\)/use "\2" for "\1"/p 11dn 12case $x in 13[a-z]*) 14sed -n -f $$ $D; rm $$;; 15*) rm $$;; 16esac 17done 18