/*
 * File: kat.c
 * Usage: kat <filename list>
 * ----------------
 * This program prints files to standard output.
 * Each of the program arguments is assumed to be a filename, which is then
 * printed to stdout.
 */

#include <stdlib.h>
#include <stdio.h>
#include "genlib.h"

int main(int argc, string argv[])
{
  FILE *sourceFile;
  int ch;                /* for reading characters, use int to detect EOF */
  int i;                 /* loop var */

  /* note: argv[0] is the name used to run this, so argc is always >= 1 */
  if (argc < 2) {
    printf("Missing argument(s).\n");
    printf("\tUsage: %s <filename list>\n",argv[0]);
    exit(1);
  }

  /* for each file */
  for ( i = 1; i < argc; i++) {
    sourceFile = fopen(argv[i], "r");
    if (sourceFile == NULL) {	/* indicates error trying to open file */
      printf("%s: unable to open file.\n",argv[i]);

    } else { /* sourceFile != NULL, so file successfuly opened */
      printf("\n<==:%s:==>\n",argv[i]);

      while ((ch = getc(sourceFile)) != EOF) {
        putc(ch, stdout);
      }      /* end while */

    fclose(sourceFile);   
    }        /* end else */

  }          /* end for i */

  return(0);    /* no errors */
}		/* end main() */