Question

Write a single shell script which uses grep to get the following information from judgeHSPC05.txt:

How many lines start with a capital letter or a period (.)?

Answer 1

Files D e main.sh judgeHSPC05.txt judgeHSPC05.txt saved 1 A line start capital 2 this is not 3 this shoule also count 4 no need of this 5 B line to include

: Files main.sh judgeHSPC05.txt GNU bash, version 4.4.12(1)-release > bash main.sh main.sh saved 1 1 2 #cat commmand used to read the file contents 3 # l pipe operator pass the file contents to grep command #[A-Z] matches only capital letters, ^ tells it should be starting # or operator 6 #\. to match dot operator 7 # | WC-1, line count, which given how many such lines 8 cat judgeHSPC05.txt | grep "[A-Z]\/\." | WC -1

code:

#cat commmand used to read the file contents

# | pipe operator pass the file contents to grep command

#[A-Z] matches only capital letters , ^ tells it should be starting

#\| or operator

#\. to match dot operator

# | wc -l , line count, which given how many such lines

cat judgeHSPC05.txt | grep "^[A-Z]\|\." | wc -l