January 17, 2017
Sometimes it’s good to go back to basics. Here is Exercise 1-9 from The C Programming Language by Brian W. Kernighan and Dennis M. Ritchie:
Write a program to copy its input to its output, replacing each string of one or more blanks by a single blank.
Your task is to write a solution to Exercise 1-9. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.