WRITE COMMANDS USING sed or grep (1 mark each) 2014 oct./nov march/april Commands using grep or egrep. (1 mark each)

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1 WRITE COMMANDS USING sed or grep (1 mark each) 2014 oct./nov. 1. Display two lines starting from 7 th line of file X1. 2. Display all blank lines between line 20 and 30 of file X1. 3. Display lines beginning either with alphabet or digit fro file X1. 4. Display the line that do not contain Unix 5. Display the lines which are not starting with 2 at the beginning. 6. Write a command to replace UIX OS ON LINE NO 5 TH TO 10 TH. 7. Write a command to display all file name containing only digits in a filename. 8. To list file names consist of only 4 digits. 9. To display lines beginning with alphabets of a file X To count number of words in line 40 through 60 of file f1.txt 2013 march/april Commands using grep or egrep. (1 mark each) 1. Display the lines which are not starting with 2 at the beginning. 2. Display lines having exactly 50 characters of file X1. 3. Count number of blank lines in file X1. 4. Display lines having at least one * character in file X1. 5. Display lines from file X1 that containing string UNIX or unix or Unix 6. Display the directory listing oct/nov Commands using grep or egrep.(1 mark each) 1. Write a command to print lines which contain Accounts. 2. Write a command to print lines which do not contain Accounts 3. Write a command to print line 10 to Write a command to substitute doshi with desai 5. Write a command to print lines with line numbers which contains Marketing 6. Write a command to display line which starts with the

2 2013 march/april Commands using sed. (1 mark each) 1. Substitute endif with fi on line 10 of file X1. 2. Display two lines starting from 7 th line of file X1. 3. Display all lines before string Unix from file X! 4. Display all blank lines between line 20 and 30 of file X1. 5. Display lines beginning either with alphabet or digit from file X1. 6. Display the lines that do not contain Unix mar/apr 1. To display all lines that contains pattern bc* in a line 2. To locate lines where second and second last character of file f1 are same 3. To replace tybca with TYBCA in input file in.sh and write those lines to output file out.sh 4. To replace all occurrence of she with he and hi with hello 5. To locate lines that begin and end with.(dot) 6. To display line 5 to 15, 25 to 35 and last line of file f1. WRITE THE COMMANDS USING SED 1. Three lines starting from 5Th lines from file x1 2. All lines before string UNIX from file x1 3. All blank lines from file x1 4. Lines beginning with either alphabets or digit from file x1 5. Differentiate between sed s/good/fine/g x1 and sed s/good/fine/ x1 6. Write a line to display from 5th to 10th including both 7. What does the following commands do sed $d x1 8. What does the following commands do sed 1,5!s /Unix/Linux/g x1 9. What does the following commands do sed s/^/ / x lp 10. To display lines 5 to 10, 15 to 20 line and last line from file f1 11. What does the following command does 12. Ls l sed n /^./{5,8\}w\p 13. To extract first word of each line assume that there is no white space character at beginning of line 14. To select those line between 25 and 50 having patter unix in file f1 15. Substitute endif with if on line 10 of the file x1

3 Q.4 WRITE THE COMMANDS USING AWK 1. To display only those records having even no of fields 2. To display total numbers of bytes occupied by all files available in working Directory 3. To display all user_id having super user privileges If 3rd field of /etc/passwd is 0 the user then (first field of the file i.e user login) having super user privileges. 4. To display record number having maximum no of fields 5. To display no of fields for each record 6. To display total no of records whose 1st field begins with small or capital alphabet 7. Print odd number of words in each line 8. Count the occurrence of word unix in file f1 9. Display those words whose length is greater than 8 characters and consist of alphabet only 10. To print even numbers of words in each line 11. To print words whose length is more than 4 digit and consist digit only` QUES: Consider a abc.txt file having fields empno, name, designation, basicsalary, dob Separated by WRITE AWK COMMAND TO FOR FOLLOWING 1. To select those director drawing a salary exceeding To select those employee who born between 1965 and To display name and designation of youngest amployee 4. To display empno, name, salary, DA(40% of basicsalary) and HRA 15% of basic salary of all employee 5. To display frequency of designation WRITE COMMANDS USING awk UTILITY (1 mark each) 2014 nov./dec. 1. print odd numbers of words in each line 2. Print lines no 18 to 30 from file f1.txt. 3. Count the total no. of lines in a file. 4. Count occurrence of pattern Unix in file f1. 5. Print lines, which end with 5, 6, and 7 from, file f1. 6. Write a script to print 1 to 10 nos. 7. Write a command to print those lines where field2 is computer field 3> from sales file. 8. Display those words whose length is greater than 8 characters and consist of alphabet

4 only march/april(2 mark each) 1. Print even numbers of words in each line. 2. Count occurrence of pattern operating system in file f1. 3. Display those words whose length greater than 10 characters and consist of alphabet only nov./dec. 1) Write awk script to display the user login ids, their home directories and login shells from the /etc/passwd file. 2) Switch the first two fields in each line of a text and put the result in a new file 3) To only print lines wherein the first field had a numeric value of less than 20 4) Write script using awk utility to display files contents in toggle case. Assume that file should be passed from command line.(8)(2010) 2014 march/april 1. To count number of occurrence of pattern bca in file f1 2. To print words whose length is greater than 4 characters and consist digits only 3. To print even number of words in each line 2010 march/april 1. Write script using awk utility to display files contents in toggle case. Assume that file should be passed from command line.(5) 2. Write a script that removes all empty files in current working directory. Appropriate data validation is expected.(3)

5 SHELL SCRIPTS: MARKS YEAR 1. Write a shell script to reverse a number Write a shell script to perform mathematical operations using 2013/2 5 menu. (+_*/) Write a shell script to test the file is a executable file or not Write a shell script to test that the file is a readable file or not Write a shell script to check whether the given file is empty or not Write a shell script to find smallest of three numbers that are read from keyboard Write a shell script to validate the name of a person accepted through the keyboard so that it does not exceed 10 chars of length 8. Write a shell script to display list of all files in the current directory to which you have read write and execute permissions Write a shell script to check the entered no is palindrome or not 4/5/ Write a shell script to accept two decimal numbers from keyboard and display their sum in hexadecimal form. Make proper validation. Write a shell script to remove only empty files from current directory 2011/2 012/20 13/201 5 oct Check whether the number is Armstrong or not Write a shell script to enter two strings, check they are equal or 2011/2 4 not, also check the length of both strings should greater than An integer or a floating point number should be accepted from user. Write a menu driven script for the following options: 1) convert decimal to binary number 2) convert decimal to octal number 3) convert decimal to hexadecimal number do proper validations Write a script that removes all empty files in current working directory. Appropriate data validation is needed. Write script to enter 5 subjects marks from command line and display % and appropriate class

6 Write script to check entered character is uppercase lowercase numeric digit or special character Shell script that take file name in command line arguments and doing like wc command of unix with their all options.also provide proper validation.(20) b. write a shell script that displays the content of the file that has maximum size in the current directory and deletes the file if user wants to do(20) a. create student file(rno,name,marks1,marks 2,marks3)(20) create 5 records. 1. display student who fail in m2 only. 2. display student who has maximum % 3. display student who has % between 50 and display all pass students in ascending order. b. write a shell script to input filename and display line that has 10 characters.if line has less than 10 character then line should start with < and for more than 10 characters it starts with >.(20) 21. write a shell script to enter the strings from and convert that string into upper case and vice versa.(25) a. write a shell script that copy a file to another file and reads file content in reverse.try to incorporate as many files as possible.(20) b. write a shell script that display content of file line by line.it displays total words and characters in each line of the file.at the end,it should display total number of characters in the file and total lines.(20) may 2011 a. write a shell script that takes input of file name and prints first ten lines of that file.the file name is to be passed as command line argument.if the argument is not passed then any c program from the current directory is to be selected.(25) a. write a shell script that display 5 th line of all files of current directory that starts with vowels.(20) b. write a shell script that pass a file name and pattern from command line and check whether that pattern occurs in

7 the file or not.(check for appropriate validation)(20). May 2010 a. write a shell script that accepts a file name and number from the user from command line.create a menu as follows: (i) head (ii)tail. Based on selection perform action.(don t use head and tail command).