public/subjects/devops/head-and-tail/README.md

head-and-tail

Instructions

Create the script head-and-tail.sh which will show the first and last lines of the file HeadTail.txt

• Where to look : https://assets.01-edu.org/devops-branch/HeadTail.txt

• What to use : curl and head and tail

• The output should be exactly like the example below but with the expected name

$ ./head-and-tail.sh | cat -e
Hello My username is: <...>,$
so my passwd is: <...>$
$

Hints

With curl you can get the content of the file from the url:

$ curl https://assets.01-edu.org/devops-branch/HeadTail.txt
<...>
$

head print the top N number of data of the given input. By default, it prints the first 10 lines of the specified files:

$head file
<first 10 lines>
$head -1 file
<first 1 line>
$

tail print the last N number of data of the given input. By default, it prints the last 10 lines of the specified files:

$ tail file
<last 10 lines>
$ tail -1 file
<last 1 line>
$

You may need to use pipes (|) and the logical operator &&.

You have to use Man or Google to know more about commands flags, in order to solve this exercise! Google and Man will be your friends!