From 9ff9f305ff7059681d691d750582e6259cd90b59 Mon Sep 17 00:00:00 2001 From: zlg Date: Thu, 7 Feb 2013 02:52:52 -0600 Subject: Solve Exercises 1-1 to 1-12 It was bugging me and the exercises are simple, so I pumped'em out. --- 1-09_single-spacing.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 1-09_single-spacing.c (limited to '1-09_single-spacing.c') diff --git a/1-09_single-spacing.c b/1-09_single-spacing.c new file mode 100644 index 0000000..82447ee --- /dev/null +++ b/1-09_single-spacing.c @@ -0,0 +1,27 @@ +#include + +/* The C Programming Language, 2nd Edition + * + * Exercise 1-9: Write a program to copy its input to its output, replacing each + * string of one or more blanks by a single blank. + * + * Answer: Run a loop with getchar() and check its value. If it's a space, count + * it, but prevent further spaces from being printed. Anything else should + * simply be spat out. + */ + +int main(void) { + char c; + int spaces = 0; + + while ((c = getchar()) != EOF) { + if (c == ' ' && spaces == 0) { + putchar(c); + spaces++; + } else { + putchar(c); + } + } + + return 0; +} -- cgit v1.2.3-54-g00ecf