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OpenSolaris 2009.06 - man page for valpath (opensolaris section 1)

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ckpath(1)				  User Commands 				ckpath(1)

       ckpath, errpath, helppath, valpath - display a prompt; verify and return a pathname

       ckpath [-Q] [-W width] [-a | l] [-b | c | f | y]
	    [-n [o | z]] [-rtwx] [-d default] [-h help]
	    [-e error] [-p prompt] [-k pid [-s signal]]

       /usr/sadm/bin/errpath [-W width] [-a | l] [-b | c | f | y]
	    [-n [o | z]] [-rtwx] [-e error]

       /usr/sadm/bin/helppath [-W width] [-a | l] [-b | c | f | y]
	    [-n [o | z]] [-rtwx] [-h help]

       /usr/sadm/bin/valpath [-a | l] [-b | c | f | y]
	    [-n [o | z]] [-rtwx] input

       The  ckpath  utility  prompts  a  user and validates the response. It defines, among other
       things, a prompt message whose response should be a pathname, text for help and error mes-
       sages, and a default value (which is returned if the user responds with a RETURN).

       The  pathname must obey the criteria specified by the first group of options. If no crite-
       ria is defined, the pathname must be for a normal file that does not yet exist. If neither
       -a (absolute) or -l (relative) is given, then either is assumed to be valid.

       All  messages are limited in length to 79 characters and are formatted automatically. Tabs
       and newlines are removed after a single white space character in a message definition, but
       spaces  are not removed. When a tilde is placed at the beginning or end of a message defi-
       nition, the default text is inserted at that point, allowing  both  custom  text  and  the
       default text to be displayed.

       If the prompt, help or error message is not defined, the default message (as defined under
       EXAMPLES) is displayed.

       Three visual tool modules are linked to the ckpath command. They are errpath  (which  for-
       mats  and  displays  an error message on the standard output), helppath (which formats and
       displays a help message on the standard output), and valpath (which validates a response).

       The following options are supported:

       -a	     Pathname must be an absolute path.

       -b	     Pathname must be a block special file.

       -c	     Pathname must be a character special file.

       -d default    Defines the default value as default. The default is not  validated  and  so
		     does not have to meet any criteria.

       -e error      Defines the error message as  error.

       -f	     Pathname must be a regular file.

       -h help	     Defines the help message as  help.

       -k pid	     Specifies	that process ID pid is to be sent a signal if the user chooses to

       -l	     Pathname must be a relative path.

       -n	     Pathname must not exist (must be new).

       -o	     Pathname must exist (must be old).

       -p prompt     Defines the prompt message as prompt.

       -Q	     Specifies that quit is not allowed as a valid response.

       -r	     Pathname must be readable.

       -s signal     Specifies that the process ID pid defined with the -k option is to  be  sent
		     signal  signal  when  quit  is chosen. If no signal is specified, SIGTERM is

       -t	     Pathname must be creatable (touchable). Pathname will be created if it  does
		     not already exist.

       -w	     Pathname must be writable.

       -W width      Specify  that  prompt, help and error messages be formatted to a line length
		     of width.

       -x	     Pathname must be executable.

       -y	     Pathname must be a directory.

       -z	     Pathname must have a file having a size greater than zero bytes.

       The following operand is supported:

       input	Input to be verified against validation options.

       The text of the default messages for ckpath depends upon  the criteria options  that  have
       been used.

       Example 1 Default prompt

       An example default prompt for ckpath (using the -a option) is:

	 example% ckpath -a
	 Enter an absolute pathname [?,q]

       Example 2 Default error message

       An example default error message (using the -a option) is:

	 example% /usr/sadm/bin/errpath -a
	 ERROR: A pathname is a filename, optionally preceded by parent
		The pathname you enter: - must begin with a slash (/)

       Example 3 Default help message

       An example default help message (using the -a option) is:

	 example% /usr/sadm/bin/helppath -a
	 A pathname is a filename, optionally preceded by parent directories.
	 The pathname you enter: - must begin with a slash (/)

       Example 4 The quit option

       When  the quit option is chosen (and allowed), q is returned along with the return code 3.
       Quit input gets a trailing newline.

       Example 5 Using the valpath module

       The valpath module will produce a usage message on stderr. It returns  0 for  success  and
       non-zero for failure.

	 example% /usr/sadm/bin/valpath
	 usage: valpath [-[a|l][b|c|f|y][n|[o|z]]rtwx] input

       The following exit values are returned:

       0    Successful execution.

       1    EOF on input, or negative width on -W option, or usage error.

       2    Mutually exclusive options.

       3    User termination (quit).

       4    Mutually exclusive options.

       See attributes(5) for descriptions of the following attributes:

       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       |Availability		     |SUNWcsu			   |

       signal.h(3HEAD), attributes(5)

SunOS 5.11				    4 Nov 2005					ckpath(1)
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