mirror of https://github.com/01-edu/public.git
![zamazzal@Zouhairs-MacBook-Pro.local](/git/assets/img/avatar_default.png)
![Zouhair AMAZZAL](/git/assets/img/avatar_default.png)
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#!/usr/bin/env bash |
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# Unofficial Bash Strict Mode |
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set -euo pipefail |
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IFS=' |
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' |
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echo insecure >> ~/.curlrc |
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caddy start &>/dev/null |
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submitted=$(bash student/head-and-tail.sh) |
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expected=$(bash solutions/head-and-tail.sh) |
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caddy stop &>/dev/null |
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diff <(echo "$submitted") <(echo "$expected") |
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curl --silent https://assets.01-edu.org/devops-branch/HeadTail.txt | head -1 && curl --silent https://assets.01-edu.org/devops-branch/HeadTail.txt | tail -1 |
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## head-and-tail |
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### Instructions |
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Create the script `head-and-tail.sh` wich will show the first and last lines of the file `HeadTail.txt` |
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- Where to look : https://assets.01-edu.org/devops-branch/HeadTail.txt |
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- What to use : `curl` and `head` and `tail` |
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- The output should be exactly like the example bellow but with the expected name |
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```console |
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$./head-and-tail.sh | cat -e |
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Hello My username is: <...>,$ |
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so my passwd is: <...>$ |
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$ |
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``` |
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### Hints |
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With `curl` you can get the content of the file from the url: |
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```console |
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$curl https://assets.01-edu.org/devops-branch/HeadTail.txt |
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<...> |
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$ |
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``` |
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`head` print the top N number of data of the given input. By default, it prints the first 10 lines of the specified files: |
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```console |
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$head file |
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<first 10 lines> |
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$head -1 file |
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<first 1 line> |
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$ |
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``` |
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`tail` print the last N number of data of the given input. By default, it prints the last 10 lines of the specified files: |
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```console |
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$tail file |
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<last 10 lines> |
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$tail -1 file |
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<last 1 line> |
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$ |
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``` |
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May you will need to use `pipe (|)` and "&&". |
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