Chinaunix首页 | 论坛 | 博客
  • 博客访问: 332484
  • 博文数量: 214
  • 博客积分: 4258
  • 博客等级: 上校
  • 技术积分: 2021
  • 用 户 组: 普通用户
  • 注册时间: 2010-12-02 09:16
个人简介

http://blog.csdn.net/ly21st http://ly21st.blog.chinaunix.net

文章分类

全部博文(214)

文章存档

2018年(16)

2015年(1)

2014年(2)

2012年(22)

2011年(173)

发布时间:2011-10-13 17:23:27

#!/bin/ksh# Scriptname: trapping# Script to illustrate the trap command and signals# Can use the signal numbers or ksh abbreviations seen# below. Cannot use SIGINT, SIGQUIT, etc.trap 'print "Control-C will not terminate $PROGRAM."' INTtrap 'print "Control-\ will not terminate $PROGRAM."' QUI.........【阅读全文】

阅读(476) | 评论(0) | 转发(0)

发布时间:2011-10-13 16:42:20

#!/bin/ksh# Program opts4# Using getopts -- Fourth try --alias USAGE='print "usage: opts4 [-x] filename " >&2'while getopts :x: arguments docase $arguments in     x) print "$OPTARG is the name of the argument ";;     :) print "Please enter an argumen.........【阅读全文】

阅读(412) | 评论(0) | 转发(0)

发布时间:2011-10-13 16:01:50

#!/bin/ksh# Scriptname: mycalculator# A simple calculator -- uses the bc command to perform the # calculations# Since the shell performs operations on integers only, # this program allows# you to use floating point numbers by writing to and reading # from the bcprogram.cat << EOF******.........【阅读全文】

阅读(199) | 评论(0) | 转发(0)

发布时间:2011-10-13 15:30:46

#!/bin/kshfunction trapper {  print "In trapper" trap 'print "Caught in a trap!"' INT  print "Got here." sleep 25}while :do print "In the main script" trapper   # Call the function print "Still in main" sleep 5 print "Bye"do.........【阅读全文】

阅读(190) | 评论(0) | 转发(0)

发布时间:2011-10-13 15:15:37

# Scriptname: do_square#!/bin/kshfunction square { (( sq = $1 * $1 )) print "Number to be squared is $1." print "The result is $sq "}read number?"Give me a number to square. "value_returned=$(square $number)print $value_returned......【阅读全文】

阅读(378) | 评论(0) | 转发(0)
给主人留下些什么吧!~~
留言热议
请登录后留言。

登录 注册