echo.c

/*
 * ECHO -- print arguments followed by a newline
 *
 * Usage: echo arg1 arg2 ... argn
 *
 * Inputs: none
 * Outputs: the arguments except for the 0th (which is the program name),
 * separated by a blank, and with a newline at the end
 * Exceptions: if no arguments beyond the program name, do not output a newline
 * Exit Code: EXIT_SUCCESS
 *
 * Matt Bishop, ECS 36A
 *
 * October 22, 2015
 *      -- original program written
 * October 23, 2019
 *      -- modified for ECS 36A
 */
#include <stdio.h>
#include <stdlib.h>

/*
 * print arguments followed by a newline
 */
int main(int argc, char *argv[])
{
	int i;				/* counter in a for loop */
	
	/*
	 * go through the argument list, skipping arg 0 (it's
	 * the program name)
	 */
	for(i = 1; i < argc-1; i++)
		printf("%s ", argv[i]);
	/*
	 * now print the last argument, UNLESS it is arg 0
	 */
	if (argc > 1)
		printf("%s\n", argv[argc-1]);
	/*
	 * return success!
	 */
	return(0);
}

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

ECS 36A, Programming & Problem Solving Version of April 2, 2024 at 12:13PM

You can get the raw source code here.