* lib/un.rb: add each descriptions for the -v option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/un.rb

@@ -57,6 +57,7 @@ end
 #
 #   -p		preserve file attributes if possible
 #   -r		copy recursively
+#   -v		verbose
 #
 def cp
   setup("pr") do |argv, options, opt|
@@ -75,6 +76,7 @@ end
 #
 #   -s		make symbolic links instead of hard links
 #   -f		remove existing destination files
+#   -v		verbose
 #
 def ln
   setup("sf") do |argv, options, opt|
@@ -91,6 +93,8 @@ end
 #
 #   ruby -run -e mv SOURCE DEST
 #
+#   -v		verbose
+#
 def mv
   setup do |argv, options|
     dest = argv.pop
@@ -106,6 +110,7 @@ end
 #
 #   -f		ignore nonexistent files
 #   -r		remove the contents of directories recursively
+#   -v		verbose
 #
 def rm
   setup("fr") do |argv, options, opt|
@@ -121,6 +126,7 @@ end
 #   ruby -run -e mkdir -- [OPTION] DIR
 #
 #   -p		no error if existing, make parent directories as needed
+#   -v		verbose
 #
 def mkdir
   setup("p") do |argv, options, opt|
@@ -135,6 +141,8 @@ end
 #
 #   ruby -run -e rmdir DIR
 #
+#   -v		verbose
+#
 def rmdir
   setup do |argv, options|
     FileUtils.rmdir argv, options
@@ -149,6 +157,7 @@ end
 #   -p		apply access/modification times of SOURCE files to
 #  		corresponding destination files
 #   -m		set permission mode (as in chmod), instead of 0755
+#   -v		verbose
 #
 def install
   setup("pm:") do |argv, options, opt|
@@ -164,6 +173,8 @@ end
 #
 #   ruby -run -e chmod OCTAL-MODE FILE
 #
+#   -v		verbose
+#
 def chmod
   setup do |argv, options|
     mode = argv.shift.oct
@@ -176,6 +187,8 @@ end
 #
 #   ruby -run -e touch FILE
 #
+#   -v		verbose
+#
 def touch
   setup do |argv, options|
     FileUtils.touch argv, options