Init

cmd/echo/Makefile

@@ -0,0 +1,23 @@
+#
+#ident	"@(#)Makefile	1.5	94/09/08 SMI"
+#
+# Copyright (c) 1989 by Sun Microsystems, Inc.
+#
+
+PROG= echo
+
+include ../Makefile.cmd
+
+CFLAGS += -v
+
+.KEEP_STATE:
+
+all: $(PROG) 
+
+install: all $(ROOTPROG)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ

cmd/echo/echo.c

@@ -0,0 +1,83 @@
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
+/*	The copyright notice above does not evidence any   	*/
+/*	actual or intended publication of such source code.	*/
+
+#ident	"@(#)echo.c	1.8	94/09/08 SMI"	/* SVr4.0 1.3	*/
+
+#include <stdio.h>
+
+int
+main(argc, argv)
+int argc;
+char **argv;
+{
+
+	register char	*cp;
+	register int	i, wd;
+	int	j;
+
+	if (--argc == 0) {
+		(void) putchar('\n');
+		return (0);
+	}
+	for (i = 1; i <= argc; i++) {
+		for (cp = argv[i]; *cp; cp++) {
+			if (*cp == '\\')
+			switch (*++cp) {
+				case 'a':		/* alert - XCU4	*/
+					(void) putchar('\a');
+					continue;
+
+				case 'b':
+					(void) putchar('\b');
+					continue;
+
+				case 'c':
+					return (0);
+
+				case 'f':
+					(void) putchar('\f');
+					continue;
+
+				case 'n':
+					(void) putchar('\n');
+					continue;
+
+				case 'r':
+					(void) putchar('\r');
+					continue;
+
+				case 't':
+					(void) putchar('\t');
+					continue;
+
+				case 'v':
+					(void) putchar('\v');
+					continue;
+
+				case '\\':
+					(void) putchar('\\');
+					continue;
+				case '0':
+					j = wd = 0;
+					while ((*++cp >= '0' && *cp <= '7') &&
+						j++ < 3) {
+						wd <<= 3;
+						wd |= (*cp - '0');
+					}
+					(void) putchar(wd);
+					--cp;
+					continue;
+
+				default:
+					cp--;
+			}
+			(void) putchar(*cp);
+		}
+		(void) putchar(i == argc? '\n': ' ');
+	}
+	return (0);
+}