Time Sensitive Linux Introductory Shell Scripting Focusing o

[Time Sensitive] Linux Introductory Shell Scripting (Focusing on SED & AWK)

1)

Part A:

a- Show all lines that have only the word hello in file file1.

b- Show all lines that have at least five characters.

c- Show all lines that have only 5 digits.

d- Write the command to find out the number of words in the file file1.

e- Write the command to substitute all the words Unix to Linux in a file called file1.

f- Write the command to rename the file file1 to file2.

g- Write the command to list only the directories in the current folder.

h- Use the sed command to print lines 6 to 10. Modify that command to place lines 6 to 10 of file1 into file2.

i- Write a script to read three numbers and find the sum of these numbers. Find the largest number. Display the largest number and the sum.

Solution

As per chegg policy i will aswer of top 3 few questions.

1) grep -i \'hello.*world\' abc.txt abc1.txt Desc- lists all the line with hello world in it.

2) grep -r \'.\\{5\\}\' /path | grep \'if\'

3) awk \'length($1) == 5\' file1

4) wc -w <file>

6) sed -ie \'s/Unix/linux/g\' hello.txt