#!/bin/sh# Check argumentsif["$#" -ne 1];thenprintf >&2'rfcf: Need one RFC number\n'exit2fi# Argument is RFC numberrn=$1# Retrieve the RFC with rfcf(1df)
rfcf "$rn"|# Pipe it through rfct(1df) to format it as text
rfct |# Either spit it directly or through a pager
pit