1- Use the cat command to create a file. Name of this file should be file1. Type a few sentences in this file. Save this file. Use the cat command one more time to display the content of file1. 2- Use vi command to add more lines to this file so you can answer the rest of these questions that uses regular expressions and grep command. 3- Select the lines from file file1 that have exactly three characters in them. 4- Select the lines from file file1 that have at least three characters in them. 5- Select the lines from file file1 that have three or less characters in them. 6- Select the non-blank lines from the file file1. 7- Select the lines from file file1 that start with a capital letter. 8- Select the lines from file file1 that end with a period. 9- Select the lines from file file1 that have the string unix. 10- Select the lines from file file1 that end with the string unix.

Programming with Microsoft Visual Basic 2017
8th Edition
ISBN:9781337102124
Author:Diane Zak
Publisher:Diane Zak
Chapter9: Sequential Access Files And Menus
Section: Chapter Questions
Problem 3RQ: Which of the following reads a line of text from a sequential access file and assigns the line...
icon
Related questions
Question

1- Use the cat command to create a file. Name of this file should be file1. Type a few sentences in
this file. Save this file. Use the cat command one more time to display the content of file1.
2- Use vi command to add more lines to this file so you can answer the rest of these questions that
uses regular expressions and grep command.
3- Select the lines from file file1 that have exactly three characters in them.
4- Select the lines from file file1 that have at least three characters in them.
5- Select the lines from file file1 that have three or less characters in them.
6- Select the non-blank lines from the file file1.
7- Select the lines from file file1 that start with a capital letter.
8- Select the lines from file file1 that end with a period.
9- Select the lines from file file1 that have the string unix.
10- Select the lines from file file1 that end with the string unix.
11- Select the lines from file file1 that have only the string unix.12- Select the lines from file file1 that have the pattern unix at least two times.
13- Select the lines from file file1 that have the pattern unix and ends with unix.
14- Copy file file1 on the screen, but delete the blank lines.
15- Select the lines from file file1 that have a digit.
16- Select the lines from file file1 that have at least two digits without any other characters in
between.

May I get help with this problem, please? Mac terminal/Linux

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Linux
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Programming with Microsoft Visual Basic 2017
Programming with Microsoft Visual Basic 2017
Computer Science
ISBN:
9781337102124
Author:
Diane Zak
Publisher:
Cengage Learning
EBK JAVA PROGRAMMING
EBK JAVA PROGRAMMING
Computer Science
ISBN:
9781337671385
Author:
FARRELL
Publisher:
CENGAGE LEARNING - CONSIGNMENT
Microsoft Visual C#
Microsoft Visual C#
Computer Science
ISBN:
9781337102100
Author:
Joyce, Farrell.
Publisher:
Cengage Learning,
LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
Computer Science
ISBN:
9781337569798
Author:
ECKERT
Publisher:
CENGAGE L