实验四正则表达式与shell编程

1、实验四 正则表达式与 shell 编程一.实验目的 掌握 Shell 环境变量、管道、输入输出重定向的使用方法。熟悉 Shell 程序设计。二.实验环境Vmware 下的操作系统 Red hat Linux ES5.0。 三实验内容 项目一 .有一文本文档需要对其内容进行搜索，以显示匹配的行内容，请使用grep 命令配合正则表达式完成如下题目。实验准备：文件 datafile ，内容如下：Steve Blenheim:238-923-7366:95 Latham Lane, Easton, PA 83755:11/12/56:20300Betty Boop:245-836-8357:635 C

2、utesy Lane, Hollywood, CA 91464:6/23/23:14500Igor Chevsky:385-375-8395:3567 Populus Place, Caldwell, NJ 23875:6/18/68:23400Norma Corder:397-857-2735:74 Pine Street, Dearborn, MI 23874:3/28/45:245700Jennifer Cowan:548-834-2348:583 Laurel Ave., Kingsville, TX 83745:10/1/35:58900Jon DeLoach:408-253-312

3、2:123 Park St., San Jose, CA 04086:7/25/53:85100Karen Evich:284-758-2857:23 Edgecliff Place, Lincoln, NB 92086:7/25/53:85100Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200Fred Fardbarkle:674-843-

4、1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900Fred Fardbarkle:674-843-1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900Lori Gortz:327-832-5728:3465 Mirlo Street, Peabody, MA 34756:10/2/65:35200Paco Gutierrez:835-365-1284:454 Easy Street, Decatur, IL 75732:2/28/53:123500Ephram Hardy:293-259-53

5、95:235 CarltonLane, Joliet, IL 73858:8/12/20:56700James Ikeda:834-938-8376:23445 Aster Ave., Allentown, NJ 83745:12/1/38:45000Barbara Kertz:385-573-8326:832 Ponce Drive, Gary, IN 83756:12/1/46:268500Lesley Kirstin:408-456-1234:4 Harvard Square, Boston, MA 02133:4/22/62:52600 William Kopf:846-836-283

6、7:6937 Ware Road, Milton, PA 93756:9/21/46:43500 Sir Lancelot:837-835-8257:474 Camelot Boulevard, Bath, WY 28356:5/13/69:24500 Jesse Neal:408-233-8971:45 Rose Terrace, San Francisco, CA 92303:2/3/36:25000 Zippy Pinhead:834-823-8319:2356 Bizarro Ave., Farmount, IL 84357:1/1/67:89500 Arthur Putie:923-

7、835-8745:23 Wimp Lane, Kensington, DL 38758:8/31/69:126000 Popeye Sailor:156-454-3322:945 Bluto Street, Anywhere, USA 29358:3/19/35:22350 Jose Santiago:385-898-8357:38 Fife Way, Abilene, TX 39673:1/5/58:95600Tommy Savage:408-724-0140:1222 Oxbow Court, Sunnyvale, CA 94087:5/19/66:34200Yukio Takeshida

8、:387-827-1095:13 Uno Lane, Ashville, NC 23556:7/1/29:57000Vinh Tranh:438-910-7449:8235 Maple Street, Wilmington, VM 29085:9/23/63:68900以上内容可以通过 putty 的方式拷贝到 linux 系统的中，存为一个文本文件，再行操作。 步骤：1) 将linux中的ip地址配置为与宿主机同一网段，并将虚拟机中的网络连接方式设为bridge桥接方式。2) 直接使用putty工具，登陆到linux中。如下图所示，输入linux主机的IP地址进行连接。3) 登陆后直接使用v

9、i创建文档，并将上面的内容拷贝至文档保存即可。 题目1) .显示所有包含 San的行(nirxrocit localhoat T # grep MSanM testJon DLoaeh:40S-253-3122:123 Park St., San Jose, CA 04086:7/25/S3:S5100Jesse Neal:408-233-8971:45 Rose Terrace San Francisco, CA 92303:2/3/36:25000 Jose Santiago:385-S98-8357:38 Fife Way, Abilene, TX 39673:1/5/58:95600r

10、aat lacalhost.# I2) .显示所有以J开始的人名所在的行ijP rootSlocalhost: *root localhost - # grep ,A J testJennife匚 Cawan;54S-S34-234S;5S3 Lau匚呂1 Ave Kingsville, TX S3745;IQ/1/35;5S9Q0 Jon DeLoac：h:40g-253-3i22 : 123 Park St. f San Josef CA 04056:7/25/53:85100James Ikeda:834-938-8376:23445 Aster Ave., Allentown, NJ

11、83745:12/1/38:45000 Jesse Neal: 408-23 3-8971:45 Rose Terrace, San Francisco, CA 923 口 SiE/d/B&:25CiOCi Jose Santiago ; 3S5-S9S-S357 ; 3S Fie Way； Alailene； T葢 39673 ; l/5/5S;956QQroot locaJ-host # I3) .显示所有以700结尾的行rootlocalhost; AIroot localhost # grep rr700Sr, teatNorm Corder:397-S57-2735:74 Pine

12、Street, Dearborn, MI 23S74:3/2B/45:245700 Ephram Hrdy:293-259-5395:235 CrltonLne, Joliet, IL 73B5S:B/12/20:56700 匚口口J口口曰t # I4） 显示所有不包括834的行：（提示：grep -v剔除不符合条件的行）if1 rDOlSluEiilhuiit ：；root *ocalhost # grep -v rr634rr te3tteve Blenhtiw:23B-92 373 66:95 Latham Lanej Easton, PA 83755:11/12/S6:2O3OOBet

13、ty Boop:245-636-8357: 635 Cutesy Lanef EoIItwoocI CA 91464: 6/23/23:14500Igor Chevsky:385-375-8395;3S6T Popu丄ua PlacT Caldwell. NJ 23875:6/ia/ie：234O0Norma Corder:397-E57-2735:74 Pin已 Street, Dearkiorn, MI 23874:3/2E/45:245700Joel DsLoach! 40B-253-3132 :123 PrJc Sc , Sab Jose f CA 0405617/35/53 ：851

14、ODKaren Evict: 264-753-2657 :2 3 Edged iffKaren Evich:294-753-2867：53 EdgeclilfKaren Evich:2S4-758-2S67:23 EdgecliifFredFredLoriPacoFarcUoarkle： 67-543-13BS ParaltFardbarkle:674-843-1385:20 ParakPlace, Lincoln, NB 92086:7/25/53:85100 PlacePlace, Lincaln, NB 92743:11/3/35:5S200 LAneT DBLUthr MW 3B50l

15、4/12/23；780900 Lane, DeLuth, MN 23850:4/12/23:760900Lincoln, NB 93743 s 11/3/5S： 50200Gores: 37-332-5?2&s 346S Hlrlo Strsec, 陀羁gy, HA 34756; 10/2/65:35200 Gutierr已e = 835-：3 S5-：L2E：4:理5九 Easy Street, Decatur, IL 75732 : 2/2S/53 :123500Ephe am Reti; dy：Z93-ZS9-5395i 235 CaclCOnLane. JollCt IL 73856

16、:G/12/2O i 56? 口 0 Barbara KertE：365-573-8326:632 Ponce Drive, Gar?, IN 83756:12/1/46:268500 Lesley Ki匚SCin：40S-456-123;Hacvacd Squa匚EOsCcin, MA QZ133;：5ZEOO William Kopf:846-836-2837:6931 Ware Road, Milton, Pl 93756:9/21/46:43500 Si匚 Lancelot ;837-SSS-SZS?: 47 Cscnelot BoulevardH BathJesse Neal:4Q8

17、-233-8971:45 Rose Terrace, San FranciacaArthur Put 1:923635-645:23 Vimp Lanef KensinjCon DLPopeye Sailor:156-454-3322:945 Blutc Street, invwhererUY 23356:5/13/69:24500Ck 92303:2/3/36:25000 33753:3/31/69:126000USA 29353:3/19/35:2235Jose Santiago:3SS-393-8357:38 FifeJlbi.ene, TX 39673:1/5/58:95600Tomm

18、y Savage:408-724-0140:1222 Oxbow Courtf Sunnyvalef 亡A 940S7:S/19/6:3 42 00 Tukio Takeahida:3B7-S27-1095:13 Uno Lane, Ashville, NC 23556:7/1/29:57000 Vitih Tranh:43a-910-7449:32 35 Haple Street, Uilniington, VM 2 9035 :9/23/63 : 6S900rnnitB lacalhost ff5） 显示所有电话号码的区号为408的行（文本中第一个冒号后“：”后面的三位数字为区号）口回冈r

19、ootGlocalhost *# greptestJon DeLoach;403-253-3122;123 Park St., San Jaae, CA 04036:7/25/53;S5100 Lealey Kiratin:408-456-1234:4 Harvard Squaref Boston MA 02133:4/22/62 1526D0 Jesse Neal:40S-233-8971:45 Rose Tertace San Francisco, CA 92303:2/3/36:25000 Tommy Savage :406-724-01-40! 1222 Oxbow Court/ Su

20、nnyvale, CA 94087:5/19/ 66 I3 4Z00 rootElocalhost -# |6）.显示所有这样的行：它以一个大写字母开头，后跟四个小写字母，一个空格，和一个大写字母口问区r t. 1 ca 1 hust # grep rrA A-Z a-z，1, 4，il A-Z rp testBuup : 2 45-83 6-8357 : 635 Cutesy Lane： Ho 1 lyTijund CA 914 64: 6/23 /23 : 145UU Currier : 3 97-857-2 735 : 74 Pine Street, Dear burn, HI 2 3

21、874 : 3/2 8/4.5 : 2 457UU Evich:284-758-2857:23 EdgecliffEvich:284-758-2867:23Betty Nornia Karen Karen Kar 已 n ijiiuries J已ss已 Sippy Tijitiiny YukiuEdgecliffPlacesPlacesPlac 已 $L incc ln.rL inco ln.rL inco ln.rEvich:284-758-2867:23 Edgec1iffIkeda: 83 4-93 8-83 7 6:2 3445 Aster Ave Al lentowii.rN已al:

22、408-2 33-8971:45 Rus已 Terrac已P i nhead: 8 3 4-82 3 -8 319:2 3 56 Biz ar ro Ave F arino unt.92086:7/25/53:851UU 92 743 : 11/3/3.5: 582 UU 92743:11/3/35:582UU 83 74.5: 12/1/38: 450UUCA 92303:2/3/36:250QQIL 84357:1/1/67:89500 CA 94087:5/19/66:342UU 23556:7/1/2 9 :57LIUUNBNBNE：N.JSan FranciscoSavag已:408

23、-72 4-0140 : 1222 Oxljot.t Court.Sunnyva 1 已Takeshida: 3：37-827-1U95:13 Uno Lane, Ashville, NCr t. 1 ca 1 hust|7）.显示姓以K或k开头的行（请截图）8）.文本的最后一列为工资，请显示工资为六位数的行,并在前面加行号（使用“ grep -n 可以显示行号” ）（请截图） 9).显示包括Lincoln或lincoln的行，并且grep对大小写不敏感.(提示：使用 grep -可以 忽略大小写) (请截图)项目二 .shell 编程练习1. 阅读如下 shell 程序代码，说出该段代码的作

24、用。#!/bin/bashecho “Please enter the directory name or file name ” read DORF if -d $DORF thenls $DORFelif -f $DORFthencat $DORF elseecho “input error! ”fi2. 请下列 shell 程序加注释，并说明程序的功能和调用方法：#!/bin/sh# /etc/rc.d/rc.httpd# Start/stop/restart the Apache web server.# To make Apache start automatically at bo

25、ot, make this# file executable: chmod 755 /etc/rc.d/rc.httpdcase $1 instart)/usr/sbin/apachectl start ;stop)/usr/sbin/apachectl stop ;restart)/usr/sbin/apachectl restart ;*)echo usage $0 start|stop|restart ;esac3. 编写 shell 程序 abc.sh 用来为系统中第 1 块网卡设置子接口，且子接口的数量由命令行参 数来指定。执行效果如下：#./abc.sh 10创建 10 个子接口并将 IP 地址设置为 0提示：配置 ip 地址的命令 ifconf