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- /*
- * cat.c: concatenate files.
- * written by Leor Zolman
- *
- * usage:
- * cat [list of files]
- * Sends the contents of all specified files (or the
- * standard input, if no filenames are specified)
- * to the standard output.
- *
- * This version is intended for DOS systems only,
- * since all *nix systems should already have it
- * as standard equipment.
- */
-
- #include <stdio.h>
-
- main(int argc, char **argv)
- {
- int i, c;
- FILE *fp;
-
- if (argc == 1) /* if no filenames supplied, read input */
- { /* from standard input only */
- while ((i = getchar()) != EOF)
- putchar(i);
- }
- else
- {
- for (i = 1; i < argc; i++)
- {
- if ((fp = fopen(argv[i], "r")) == NULL)
- {
- fprintf(stderr, "%s: can't open %s\n",
- argv[0], argv[i]);
- exit(1);
- }
- while ((c = getc(fp)) != EOF)
- putchar(c);
- }
- }
- return 0;
- }
-