greetings

来自「Unix Shell编程权威指南的配套源代码,书是好书,不过习题没有答案,要自己」· 代码 · 共 6 行

#!/bin/sh
# Scriptname: greetings
echo "This script is called $0."
echo "$0  $1 and $2"
echo "The number of positional parameters is $#"