Goal

Use regular expressions in commands and scripts. Read help on Windows command findstr and Linux utility grep. Use grep with option -P.

Output

Complete the following tasks and submit it to the correlating assignment submissions folder. Supply screenshots to support your answers.

Procedure

Complete the following tasks.

Tasks

1. Write a regex that matches email in the following format: n..e@domain.tld (name may contain letters, digits, underscores, dashes and periods; domain contains the same minus underscores; tld is a top-level domain).
2. Example: j..d@5peacocks.com is a valid email
3. Example: j..d@armadillo.cuteanimal is invalid (tld is invalid, too long)
4. Write a regex that matches email in the following formatS: n..e@uiu.edu, name @ uiu.edu, name at uiu dot edu (in each case name may contain no more than 1 period).
5. Write a Windows script, pipe or command that prints a line from the file sciencemath.html that contains my last name (Yasinovskyy).
6. Write a Windows script or a pipe that finds all lines of a sciencemath.html that contain an email and saves them to a file harvest.txt (saved lines may contain other text, not just email).
7. Write a Windows script or a pipe that counts number of Science and Math faculty emails (hint: use findstr and find).
8. Write a Windows script that asks what file ([A]rts, [B]usiness, [E]ducation, [S]cience) a user wants to process and prints number of email addresses in that file.
9. Write a Linux script or a pipe that prints names of Science and Math faculty.
10. Write a Linux script or a pipe that prints emails of all UIU faculty and saves them (emails only) to a file harvest.txt.
11. Write a Linux script that takes any faculty name as an argument and prints school affiliation of that person person's email (process all 4 files).
12. Write a Linux script that takes any faculty name as an argument and prints that person person's email (process all 4 files).