From 120d8179202f359b4cca399ed396a205e28b01c2 Mon Sep 17 00:00:00 2001
From: Christoph Lohmann <20h@r-36.net>
Date: Mon, 23 Apr 2012 16:27:40 +0200
Subject: [PATCH] Adding the yes(1) command.

---
 Makefile |  3 ++-
 TODO     |  1 -
 yes.1    | 10 ++++++++++
 yes.c    | 44 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 yes.1
 create mode 100644 yes.c

diff --git a/Makefile b/Makefile
index 5035701..832057e 100644
--- a/Makefile
+++ b/Makefile
@@ -52,7 +52,8 @@ SRC = \
 	tty.c      \
 	uname.c    \
 	seq.c      \
-	wc.c
+	wc.c       \
+	yes.c
 
 OBJ = $(SRC:.c=.o) $(LIB)
 BIN = $(SRC:.c=)
diff --git a/TODO b/TODO
index 83c8b5e..91aa2a6 100644
--- a/TODO
+++ b/TODO
@@ -60,4 +60,3 @@ unlink file
 
 who 
 
-yes [string]
diff --git a/yes.1 b/yes.1
new file mode 100644
index 0000000..6b4c0c5
--- /dev/null
+++ b/yes.1
@@ -0,0 +1,10 @@
+.TH YES 1 sbase\-VERSION
+.SH NAME
+yes \- output a string repeatedly 
+.SH SYNOPSIS
+.B yes 
+.RB [ string ... ]
+.SH DESCRIPTION
+.B yes 
+will repeatedly output 'y' or the strings specified.
+
diff --git a/yes.c b/yes.c
new file mode 100644
index 0000000..20de891
--- /dev/null
+++ b/yes.c
@@ -0,0 +1,44 @@
+/* See LICENSE file for copyright and license details. */
+#include <unistd.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "arg.h"
+#include "util.h"
+
+char *argv0;
+
+void
+usage(void)
+{
+	eprintf("usage: %s [string ...]\n", basename(argv0));
+}
+
+int
+main(int argc, char *argv[])
+{
+	int i;
+
+	ARGBEGIN {
+	default:
+		usage();
+	} ARGEND;
+
+	if (!argc) {
+		for(;;)
+			puts("y");
+	}
+
+	for (;;) {
+		for (i = 0; i < argc; i++) {
+			fputs(argv[i], stdout);
+			if (argv[i+1] != NULL)
+				fputs(" ", stdout);
+		}
+		fputs("\n", stdout);
+	}
+
+	return EXIT_SUCCESS;
+}
+