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917 B

lastword

Instructions

Write a program that takes a string and displays its last word, followed by a newline ('\n').

  • A word is a section of string delimited by spaces or by the start/end of the string.

  • The output will be followed by a newline ('\n').

  • If the number of parameters is different from 1, or if there are no word, the program displays a newline ('\n').

Usage

student@ubuntu:~/[[ROOT]]/lastword$ go build
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "FOR PONY" | cat -e
PONY$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "this        ...       is sparta, then again, maybe    not" | cat -e
not$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "  " | cat -e
$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "a" "b" | cat -e
$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "  lorem,ipsum  " | cat -e
lorem,ipsum$
student@ubuntu:~/[[ROOT]]/lastword$