write my assignment 4818
please help me these 2 question. Thank you
1.Modify wgrep to take an optional -w option that specifies the window size; so
wgrep -w 3 UNIX text
should print three lines before and after each line from text that contains the pattern UNIX.
2.Modify wgrep to take a variable number of filenames as arguments. Precede each output line with the name of the file in which the match occurs (as grep does).
7: Modify wgrep to take an optional -w option that specifies the window size; sowgrep -w 3 UNIX textshould print three lines before and after each line from text that contains the pattern UNIX.8: Modify wgrep to take a variable number of filenames as arguments. Precede each output linewith the name of the file in which the match occurs (as grep does).