【shell脚本练习】grep sed awk

时间：2021-03-27 01:40:05

下面是简单学习之后做得练习题，如果有不对的或者说解题思路不好的，请交流啊。

Grep 练习

文件名grepfile

Steve Blenheim:238-923-7366:95 Latham Lane, Easton, PA 83755:11/12/56:20300
Betty Boop:245-836-8357:635 Cutesy Lane, Hollywood, CA 91464:6/23/23:14500
Igor Chevsky:385-375-8395:3567 Populus Place, Caldwell, NJ 23875:6/18/68:23400
Norma Corder:397-857-2735:74 Pine Street, Dearborn, MI 23874:3/28/45:245700
Jennifer Cowan:548-834-2348:583 Laurel Ave., Kingsville, TX 83745:10/1/35:58900
Jon DeLoach:408-253-3122:123 Park St., San Jose, CA 04086:7/25/53:85100
Karen Evich:284-758-2857:23 Edgecliff Place, Lincoln, NB 92086:7/25/53:85100
Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200
Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200
Fred Fardbarkle:674-843-1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900
Fred Fardbarkle:674-843-1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900
Lori Gortz:327-832-5728:3465 Mirlo Street, Peabody, MA 34756:10/2/65:35200
Paco Gutierrez:835-365-1284:454 Easy Street, Decatur, IL 75732:2/28/53:123500
Ephram Hardy:293-259-5395:235 CarltonLane, Joliet, IL 73858:8/12/20:56700
James Ikeda:834-938-8376:23445 Aster Ave., Allentown, NJ 83745:12/1/38:45000
Barbara Kertz:385-573-8326:832 Ponce Drive, Gary, IN 83756:12/1/46:268500
Lesley Kirstin:408-456-1234:4 Harvard Square, Boston, MA 02133:4/22/62:52600
William Kopf:846-836-2837:6937 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:923-835-8745:23 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 39673:1/5/58:95600
Tommy Savage:408-724-0140:1222 Oxbow Court, Sunnyvale, CA 94087:5/19/66:34200
Yukio Takeshida:387-827-1095:13 Uno Lane, Ashville, NC 23556:7/1/29:57000
Vinh Tranh:438-910-7449:8235 Maple Street, Wilmington, VM 29085:9/23/63:68900

1.显示所有包含San的行

[lzz@orangleliu ~]$ grep 'San' grepfile
Jon DeLoach:408-253-3122:123 Park St., San Jose, CA 04086:7/25/53:85100
Jesse Neal:408-233-8971:45 Rose Terrace, San Francisco, CA 92303:2/3/36:25000
Jose Santiago:385-898-8357:38 Fife Way, Abilene, TX 39673:1/5/58:95600

2.显示所有以J开始的人名所在的行

$ grep -E '^J' grepfile
Jennifer Cowan:548-834-2348:583 Laurel Ave., Kingsville, TX 83745:10/1/35:58900
Jon DeLoach:408-253-3122:123 Park St., San Jose, CA 04086:7/25/53:85100
James Ikeda:834-938-8376:23445 Aster Ave., Allentown, NJ 83745:12/1/38:45000
Jesse Neal:408-233-8971:45 Rose Terrace, San Francisco, CA 92303:2/3/36:25000
Jose Santiago:385-898-8357:38 Fife Way, Abilene, TX 39673:1/5/58:95600

3.显示所有以700结尾的行

$ grep -E '700$' grepfile
Norma Corder:397-857-2735:74 Pine Street, Dearborn, MI 23874:3/28/45:245700
Ephram Hardy:293-259-5395:235 CarltonLane, Joliet, IL 73858:8/12/20:56700

4.显示所有不包括834的行

$ grep -vE '834' grepfile

5.显示所有生日在December的行

$ grep -E ':12/[0-9]{1,2}/[0-9]{1,2}:' grepfile

6.显示所有这样的行:它包含一个大写字母,后跟四个小写字母,一个冒号,一个空格,和一

个大写字母

$ grep -E '[A-Z][a-z]{4}: [A-Z]' grepfile

7.显示姓以K或k开头的行

$ grep -E '^[a-zA-Z]+? [Kk]' grepfile

9.显示工资为六位数的行,并在前面加行号

$ grep -nE '[0-9]{6}$' grepfile

10.显示包括Lincoln或lincoln的行,并且grep对大小写不敏感.

$ grep -iE '(Lincoln|lincoln)' grepfile

sed练习

文件名sedfile

Steve Blenheim:238-923-7366:95 Latham Lane, Easton, PA 83755:11/12/56:20300
Betty Boop:245-836-8357:635 Cutesy Lane, Hollywood, CA 91464:6/23/23:14500
Igor Chevsky:385-375-8395:3567 Populus Place, Caldwell, NJ 23875:6/18/68:23400
Norma Corder:397-857-2735:74 Pine Street, Dearborn, MI 23874:3/28/45:245700
Jennifer Cowan:548-834-2348:583 Laurel Ave., Kingsville, TX 83745:10/1/35:58900
Jon DeLoach:408-253-3122:123 Park St., San Jose, CA 04086:7/25/53:85100
Karen Evich:284-758-2857:23 Edgecliff Place, Lincoln, NB 92086:7/25/53:85100
Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200
Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200
Fred Fardbarkle:674-843-1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900
Fred Fardbarkle:674-843-1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900
Lori Gortz:327-832-5728:3465 Mirlo Street, Peabody, MA 34756:10/2/65:35200
Paco Gutierrez:835-365-1284:454 Easy Street, Decatur, IL 75732:2/28/53:123500
Ephram Hardy:293-259-5395:235 CarltonLane, Joliet, IL 73858:8/12/20:56700
James Ikeda:834-938-8376:23445 Aster Ave., Allentown, NJ 83745:12/1/38:45000
Barbara Kertz:385-573-8326:832 Ponce Drive, Gary, IN 83756:12/1/46:268500
Lesley Kirstin:408-456-1234:4 Harvard Square, Boston, MA 02133:4/22/62:52600
William Kopf:846-836-2837:6937 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:923-835-8745:23 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 39673:1/5/58:95600
Tommy Savage:408-724-0140:1222 Oxbow Court, Sunnyvale, CA 94087:5/19/66:34200
Yukio Takeshida:387-827-1095:13 Uno Lane, Ashville, NC 23556:7/1/29:57000
Vinh Tranh:438-910-7449:8235 Maple Street, Wilmington, VM 29085:9/23/63:68900

1.把Jon的名字改成Jonathan.

# sed 's/Jon/Jonathan/' sedfile

2.删除头三行

# sed '1,3d' sedfile

3.显示5-10行

# sed -n '5,10p' sedfile

4.删除包含Lane的行.

# sed '/Lane/d' sedfile

5.显示所有生日在November-December之间的行

# sed -rn '\%1[12]/[0-9]{1,2}/%p' sedfile

6.把三个星号(***)添加到也Fred开头的行

# sed 's/^Fred/***Fred/' sedfile

7.用JOSE HAS RETIRED取代包含Jose的行

# sed '/Jose/c \JOSE HAS RETIRED' sedfile

8.把Popeye的生日改成11/14/46

# sed -r '/^Popeye/s/\:[0-9]{1,2}\/[0-9]{1,2}\/[0-9]{1,2}\:/\:11\/14\/46\:/g' sedfile

9.删除所有空白行

# sed '/^\s*$/d' sedfile

10.写一个脚本,将:

* 在第一行之前插入标题PERSONNEL FILE.

* 删除以500结尾的工资

* 显示文件内容,把姓和名颠倒

* 在文件末尾添加THE END

sed -r -e '1i \PERSONNEL FILE' -e '$a \THE END' -e '/500$/d' -e 's|^([a-zA-Z]+)[[:space:]]([a-zA-z]+)|\2 \1|' sedfile

写成脚本

1i \PERSONNEL FILE
s|^([a-zA-Z]+)[[:space:]]([a-zA-z]+)|\2 \1|
$a \THE END

运行

# sed -r -f t1.sed sedfile

awk 练习

文件名awkfile

Mike Harrington:[510] 548-1278:250:100:175
Christian Dobbins:[408] 538-2358:155:90:201
Susan Dalsass:[206] 654-6279:250:60:50
Archie McNichol:[206] 548-1348:250:100:175
Jody Savage:[206] 548-1278:15:188:150
Guy Quigley:[916] 343-6410:250:100:175
Dan Savage:[406] 298-7744:450:300:275
Nancy McNeil:[206] 548-1278:250:80:75
John Goldenrod:[916] 348-4278:250:100:175
Chet Main:[510] 548-5258:50:95:135
Tom Savage:[408] 926-3456:250:168:200
Elizabeth Stachelin:[916] 440-1763:175:75:300

上面的数据库中包含名字,电话号码和过去三个月里的捐款

1.显示所有电话号码

# awk 'split($3,num,":"){print num[1]}' awkfile
或者
# awk -F '[: ]' '{print $4}' awkfile

2.显示Dan的电话号码

# awk '$1=="Dan" {split($3,num,":");print num[1]}' awkfile
或者
# awk -F '[: ]' '{if($1=="Dan") print $1,$4}' awkfile

3.显示Susan的名字和电话号码

# awk '$1=="Susan" {split($3,num,":");print $1,num[1]}' awkfile

4.显示所有以D开头的姓

# awk '$2~"^D" {split($2,nm,":");print nm[1]}' awkfile

5.显示所有以一个C或E开头的名

# awk '$1~/^[CE][^CE]/ {print $1}' awkfile

6.显示所有只有四个字符的名

# awk '$1~/^[a-zA-Z]{4}$/ {print $1}' awkfile

7.显示所有区号为916的人名

# awk '{print $1,$2}' awkfile|awk -F":" '$2~/916/ {print $1}'

8.显示Mike的捐款.显示每个值时都有以$开头.如$250$100$175

# awk -v OFS="" '$1~/Mike/ {split($3, num, ":");print "$",num[2],"$",num[3],"$",num[4]}' awkfile

9.显示姓,其后跟一个逗号和名,如Jody,Savage

# awk -v OFS="," 'split($2,num,":") {print num[1],$1}' awkfile

10.写一个awk的脚本,它的作用:

.显示Savage的全名和电话号码

.显示Chet的捐款

.显示所有头一个月捐款$250的人名.

注:区号本来是圆括号表示的.

awk -F '[ :]' 'BEGIN{print"---------------开始文件处理";ns=""}{
if($2=="Savage"){print "Savage的全名和电话："$1,$2,$3,$4}
if($1=="Chet"){print "Chet捐款："$5,$6,$7}
if($5==250) {ns=(ns "," $1" "$2);}
}END{print "---------头月捐款250的人名："ns}' awkfile

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