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# options |
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## Instructions |
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Write a program that takes an undefined number of arguments which could be considered as options and writes on standard output a representation of those options as groups of bytes followed by a newline. |
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- An option is an argument that begins by a '-' and have multiple characters which could be : |
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- abcdefghijklmnopqrstuvwxyz |
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- All options are stocked in a single int and each options represents a bit of that int, and should be stocked like this : |
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- 00000000 00000000 00000000 00000000 |
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- ******zy xwvutsrq ponmlkji hgfedcba |
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- Launch the program without arguments or with the '-h' flag activated must print an usage on the standard output, as shown in the following examples. |
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- A wrong option must print "Invalid Option" followd by a newline. |
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## Expected output |
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```console |
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student@ubuntu:~/piscine/test$ go build |
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student@ubuntu:~/piscine/test$ ./test | cat -e |
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options: abcdefghijklmnopqrstuvwxyz$ |
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student@ubuntu:~/piscine/test$ ./test -abc -ijk | cat -e |
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00000000 00000000 00000111 00000111$ |
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student@ubuntu:~/piscine/test$ ./test -z | cat -e |
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00000010 00000000 00000000 00000000$ |
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student@ubuntu:~/piscine/test$ ./test -abc -hijk | cat -e |
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options: abcdefghijklmnopqrstuvwxyz$ |
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student@ubuntu:~/piscine/test$ ./test -% | cat -e |
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Invalid Option$ |
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student@ubuntu:~/piscine/test$ |
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``` |
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