Add verbose processing flag.

2 files changed, 21 insertions, 5 deletions

diff --git a/bin/ln/ln.1 b/bin/ln/ln.1
index 93fa3df..ea9458f 100644
--- a/bin/ln/ln.1
+++ b/bin/ln/ln.1
@@ -43,11 +43,11 @@
 .Nd make links
 .Sh SYNOPSIS
 .Nm ln
-.Op Fl fs
+.Op Fl fsv
 .Ar source_file
 .Op target_file
 .Nm ln
-.Op Fl fs
+.Op Fl fsv
 .Ar source_file ...
 .Op target_dir
 .Sh DESCRIPTION
@@ -72,6 +72,10 @@ The options are as follows:
 Unlink any already existing file, permitting the link to occur.
 .It Fl s
 Create a symbolic link.
+.It Fl v
+Cause
+.Nm
+to be verbose, showing files as they are processed.
 .El
 .Pp
 By default,
@@ -125,6 +129,10 @@ The links made will have the same name as the files being linked to.
 .Xr stat 2 ,
 .Xr symlink 2 ,
 .Xr symlink 7
+.Sh COMPATIBILITY
+The 
+.Fl v
+option is non-standard and its use in scripts is not recommended.
 .Sh HISTORY
 An
 .Nm
diff --git a/bin/ln/ln.c b/bin/ln/ln.c
index 9ccf805..48dbeae 100644
--- a/bin/ln/ln.c
+++ b/bin/ln/ln.c
@@ -57,8 +57,10 @@ static const char rcsid[] =
 
 int	fflag;				/* Unlink existing files. */
 int	sflag;				/* Symbolic, not hard, link. */
+int	vflag;				/* Verbose output. */
 					/* System link call. */
 int (*linkf) __P((const char *, const char *));
+char	linkch;
 
 int	linkit __P((char *, char *, int));
 void	usage __P((void));
@@ -73,7 +75,7 @@ main(argc, argv)
 	int ch, exitval;
 	char *sourcedir;
 
-	while ((ch = getopt(argc, argv, "fs")) != -1)
+	while ((ch = getopt(argc, argv, "fsv")) != -1)
 		switch (ch) {
 		case 'f':
 			fflag = 1;
@@ -81,6 +83,9 @@ main(argc, argv)
 		case 's':
 			sflag = 1;
 			break;
+		case 'v':
+			vflag = 1;
+			break;
 		case '?':
 		default:
 			usage();
@@ -90,6 +95,7 @@ main(argc, argv)
 	argc -= optind;
 
 	linkf = sflag ? symlink : link;
+	linkch = sflag ? '-' : '=';
 
 	switch(argc) {
 	case 0:
@@ -153,6 +159,8 @@ linkit(target, source, isdir)
 		warn("%s", source);
 		return (1);
 	}
+	if (vflag)
+		(void)printf("%s %c> %s\n", source, linkch, target);
 	return (0);
 }
 
@@ -160,7 +168,7 @@ void
 usage()
 {
 	(void)fprintf(stderr, "%s\n%s\n",
-	    "usage: ln [-fs] file1 file2",
-	    "       ln [-fs] file ... directory");
+	    "usage: ln [-fsv] file1 file2",
+	    "       ln [-fsv] file ... directory");
 	exit(1);
 }