ckpath(1)							   User Commands							 ckpath(1)

NAME

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

SYNOPSIS

       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

DESCRIPTION

       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 messages, 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 criteria 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  defini-
       tion, 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 formats 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).

OPTIONS

       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 quit.

       -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 used.

       -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.

OPERANDS

       The following operand is supported:

       input	Input to be verified against validation options.

EXAMPLES

       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
		directories.
		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
	     .
	     .
	     .

EXIT STATUS

       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.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

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

SunOS 5.11							    4 Nov 2005								 ckpath(1)