ckpath, errpath, helppath, valpath - display a prompt;  ver-
     ify 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
     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  nei-
     ther -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 begin-
     ning or end of a message definition,  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 mes-
     sage on the standard output), helppath  (which  formats  and
     displays a help message on the standard output), and valpath
     (which validates a response). These modules should  be  used
     in conjunction with Framed Access Command Environment (FACE)
     objects. In this  instance,  the  FACE  object  defines  the


     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 cri-

     -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

     -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.


     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)

     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

     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

     2     Mutually exclusive options.

     3     User termination (quit).

     4     Mutually exclusive options.


     See attributes(5) for descriptions of the  following  attri-

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


     face(1), signal(3HEAD), attributes(5)

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