home *** CD-ROM | disk | FTP | other *** search
- /* $Header: D:/RCS/RCS/cat2.c 1.1 89/12/24 07:55:37 RCA Exp $
- * $Log
- */
- #include <stdio.h>
- #include <stdlib.h>
- void filecopy(FILE *);
-
- main(argc, argv) /* cat: concatenate files */
- int argc;
- char *argv[];
-
- {
- FILE *fp, *fopen();
-
- if (argc == 1)
- {
- printf ("\n █▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█");
- printf ("\n █ CAT2 (Concatenate) $Author: RCA $ █");
- printf ("\n █ $Date: 89/12/24 07:55:37 $ $Revision: 1.1 $ █");
- printf ("\n █ Usage: CAT2 file1 file2 [ ... file(n)] > outfile █");
- printf ("\n █ Purpose: This command concatenates two or more files and █");
- printf ("\n █ then copies them to standard output. Can be █");
- printf ("\n █ used to append CRLF's to UNIX files. █");
- printf ("\n █ OS: Works under OS/2 or DOS. █");
- printf ("\n █ Credits: From Kernighan & Ritchie, p. 154. █");
- printf ("\n █▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄█\n");
- exit(1);
- }
-
- /* if (argc == 1) \\ no args; copy standard input */
- /* filecopy(stdin); */
- else
- while (--argc > 0)
- if ((fp = fopen(*++argv, "r")) == NULL) {
- fprintf(stderr,
- "cat: can't open %s\n", *argv);
- exit(1);
- } else {
- filecopy(fp);
- fclose(fp);
- }
- exit(0);
- }
-
- void filecopy(fp) /* copy file fp to standard output */
- FILE *fp;
- {
- int c;
-
- while ((c = getc(fp)) != EOF)
- putc(c, stdout);
- }
-