New -find actions "rm" and "rm_r", silenced comparison results with -update*

libisoburn/trunk/xorriso/xorriso.1

@@ -696,35 +696,35 @@ may have specific parameters. See also their particular descriptions.
 .br
 "chown" and "chown_r" change the ownership and get the user id as param. E.g.:
 .br
-  -find / -exec chown thomas
+  -find / -exec chown thomas --
 .br
 "chgrp" and "chgrp_r" change the group attribute and get the group id as param.
 E.g.:
 .br
-  -find / name 'news*' -type d -exec chgrp_r staff
+  -find / name 'news*' -type d -exec chgrp_r staff --
 .br
 "chmod" and "chmod_r" change access permissions and get a mode string as param.
 E.g.:
 .br
-  -find / -exec chmod a-w,a+r
+  -find / -exec chmod a-w,a+r --
 .br
 "alter_date" and "alter_date_r" change the timestamps.
 They get a type character and a timestring as params. 
 E.g.:
 .br
-  -find / -exec alter_date "m" "Dec 30 19:34:12 2007"
+  -find / -exec alter_date "m" "Dec 30 19:34:12 2007" --
 .br
 "lsdl" prints file information like shell command ls -dl.
 E.g.:
 .br
-  -find / -exec lsdl
+  -find / -exec lsdl --
 .br
 "compare" performs command -compare with the found file address as iso_rr_path
 and the corresponding file address below its argument disk_path_start. For this
 the iso_rr_path of the -find command gets replaced by the disk_path_start.
 E.g.:
 .br
-  -find / -exec compare /home/thomas
+  -find / -exec compare /home/thomas --
 .br
 "update" performs command -update with the found file address as iso_rr_path.
 The corresponding file address is determined like with above "compare".
@@ -733,13 +733,27 @@ WARNING: This action is fewly tested and has potential to spoil your ISO image.
 .br
 E.g.:
 .br
-  -find / -exec update /home/thomas
+  -find / -exec update /home/thomas --
+.br
+"rm" removes the found iso_rr_path from the image if it is not a directory with
+files in it. I.e. this "rm" includes "rmdir".
+.br
+E.g.:
+.br
+  -find / -name *.doc -exec rm --
+.br
+"rm_r" removes the found iso_rr_path from the image, including whole directory
+trees.
+.br
+E.g.:
+.br 
+  -find /uh/oh -name *private* -exec rm_r --
 .br
 "find" performs another run of -find on the matching file address. It accepts
 the same params as -find, except iso_rr_path.
 E.g.:
 .br
-  -find / -name '???' -type d -exec find -name '[abc]*' -exec chmod a-w,a+r 
+  -find / -name '???' -type d -exec find -name '[abc]*' -exec chmod a-w,a+r --
 .br
 If not used as last command in the line then the argument list
 needs to get terminated by "--".