Question

10 pts) Write a single-line shell command that outputs the words in /usr/share/dict/words that begin with an uppercase A or an uppercase E, followed by any two characters, followed by a lowercase b, and ending with a lowercase a or a lowercase n Note that words greater than five characters in length are valid (i.e., there may be zero or more characters in between the lowercase b and the final lowercase a or lowercase n)! The command should append the output to a file in your home directory named mywords.

Answer 1

hi,

Lets assume input words file has below data-

Agkba
Egkbn
hfhhfhff
hfhgh

Script for the desired output-

grep "[AE]..b[an]*" words > mywords

Screenshot-