每天一道编程题

1.  有日志文件如下：

 

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)  显示包含San的行：

grep 'San' datafile
cat datafile |grep San
sed -n '/San/p' datafile
awk '/San/' datafile

 2)  显示以J开头的人名所在的行

grep '^J' datafile
sed -n '/^J/p' datafile
awk '/^J/' datafile

 3) 显示700结尾的行

grep '700$' datafile
awk '/700$/' datafile
sed -n '/700$/p' datafile

 4) 显示不包含843的行

grep -v '843' datafile
sed -n '/834/!p' datafile
awk '$0 !~/834/' datafile

 5) 显示生日12月的行：

grep ':12/' datafile
sed -n '/:12\//p' datafile
awk '/:12[:/:]/' datafile 或 awk '/:12\//' datafile

 6）显示电话号码为843的行

 

grep ':834-' datafile
sed -n '/:834-/p' datafile
awk '/:834-/' datafile

 7) 显示这样的行:它包含一个大写字后跟四个小写字母,逗号,空格,和一个大写字母

grep '[A-Z][a-z]\{4\}, [A-Z]' datafile
sed -n '/[A-Z][a-z]\{4\}, [A-Z]/p' datafile

 8) 显示姓以K或k开头的行

grep '^[Kk]' datafile 
sed -n '/^[Kk]/p' datafile
awk '/^[Kk]/' datafile

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

grep -i '[Ll]incoln' datafile
sed -n '/[Ll]incoln/p' datafile 
awk '/[Ll]incoln/' datafile

 10) 把Jon的名字改成Jonathan

sed -e 's/Jon/Jonathan/g' datafile

 11) 删除头三行

sed -e '1,3d' datafile

 12) 显示5-10行

sed -n '5,10p' datafile

 13) 删除包含Lane的行.

sed  '/Jane/d' datafile

 14) 显示生日在November-December之间的行

sed -n '/1[12]/p' datafile

 15) 把三个星***添加到有Fred的行

sed -e '/Fred/s/^/***/g' datafile

 16) 用JOSE HAS RETIRED取代包含Jose的行

sed -e 's/Jose/JOSE HAS RETIRED/g' datafile

 17) 把Popeye的生日改1/14/46

sed -e '/Popeye/s/:[0-9]*\/.*\/.*:/:1\/14\/48:/g' datafile 

 18) 删除空白行

sed -e '/^$/d' datafile

 19) 写一个脚本，在第1行之前插入标题PERSONNEL FILE,删除500结尾的行，显示文件内容,把姓和名颠倒，在文件末尾添加THE END

sed -e '1iPERSONNEL FILE.
$aTHE END
/500$/d
s/^\([A-Za-z]\+\) \([A-Za-z]\+\):/\2 \1:/g
' datafile