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25 lines
941 B
25 lines
941 B
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## expandstr
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### Instructions
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Write a program that takes a `string` and displays it with exactly three spaces between each word, with no spaces or tabs at either the beginning nor the end.
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The `string` will be followed by a newline (`'\n'`).
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A word is a sequence of alphanumerical characters.
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If the number of arguments is not 1, or if there are no word, the program displays nothing.
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### Usage
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```console
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student@ubuntu:~/[[ROOT]]/expandstr$ go build
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student@ubuntu:~/[[ROOT]]/expandstr$ ./expandstr "you see it's easy to display the same thing" | cat -e
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you see it's easy to display the same thing$
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student@ubuntu:~/[[ROOT]]/expandstr$ ./expandstr " only it's harder " | cat -e
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only it's harder$
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student@ubuntu:~/[[ROOT]]/expandstr$ ./expandstr " how funny it is" "did you hear, Mathilde ?" | cat -e
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student@ubuntu:~/[[ROOT]]/expandstr$ ./expandstr
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student@ubuntu:~/[[ROOT]]/expandstr$
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```
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