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2 new shell ex for quest 01

pull/299/head^2
Christopher Fremond 5 years ago committed by Christopher Fremond
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  1. 33
      subjects/explain.en.md
  2. 31
      subjects/teacher.en.md

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subjects/explain.en.md

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## explain
### Instructions
"So you want to play?"
"How did you do it?"
The commissioner thanks you for delivering the suspect. He now asks you how did you get into his trail.
Write an `explain.sh` file that:
- displays the first and last name of your key witness
- displays the interview number of this witness
- displays the colour and the make of the car of the suspects
- displays the names of the 3 other main suspects that were not arrested (in the order that they should have appeared during the investigation)
### Usage
```console
student@ubuntu:~/piscine-go/test$ ./explain.sh | cat -e
FirstNameOfWitness LastNameOfWitness$
123456$
Red Ferrari$
FirstNameOfSuspect1 LastNameOfSuspect1$
FirstNameOfSuspect2 LastNameOfSuspect2$
FirstNameOfSuspect3 LastNameOfSuspect3$
student@ubuntu:~/piscine-go/test$
```
### Hint
"The answers in the usage are obviously there for formatting only, but you obviously knew that already... or did you? :) "

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subjects/teacher.en.md

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## teacher
### Instructions
"let's play!"
"A **true teacher** does not jealously guard his understanding."
The commissioner was most impressed by the result of your answers.
He has now asked your help to create a training program for the future police inspectors. You gladly accept as you think that this will help lessen your burden of fighting crime in the future.
In a training folder, various folders `mistery` were prepared with some key differences in the data for each group of trainees.
To simplify your life as a teacher and as the answers will not be exactly the same in each `mistery` folder, you need to write a `teacher.sh` file that does the following:
- step 1, it enters the `mistery` folder.
- step 2, it isolates into an environment variable the number (**and only the number**) of the appropriate interview that helped solved the mistery (Unlike the interview number, the adress will not change across the `mistery` folders that will be tested).
- step 3, it prints the newly created environment variable.(Once again **the number and only the number**)
- step 4, it prints what the interview contains.
- step 5, it executes the command that should have printed the shorted list of 4 suspects.
- step 6, it executes the command that should have gotten your main suspect convicted (as reminder the result of that command should be the printing of a number) except that now you replace your suspect name with the environment variable MAIN_SUSPECT.
- step 7, step 1 to 6 are repeated for each `mistery`.
Note that for **step 2 to 6**, all the commands have to be executed with keeping in mind that the `mistery` folder is the current directory but that its name will vary.
Now show them who is the boss...
### Hint
Search how to do a loop with a `.sh` file now.
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