shell specific prompt

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erryorn

ckyorn(1)							   User Commands							 ckyorn(1)

NAME

       ckyorn, erryorn, helpyorn, valyorn - prompts for and validates yes/no

SYNOPSIS

       ckyorn [-Q] [-W width] [-d default] [-h help] [-e error]
	    [-p prompt] [-k pid [-s signal]]

       /usr/sadm/bin/erryorn [-W width] [-e error]

       /usr/sadm/bin/helpyorn [-W width] [-h help]

       /usr/sadm/bin/valyorn input

DESCRIPTION

       ckyorn  prompts	a  user and validates the response. It defines, among other things, a prompt message for a yes or no answer, text for help
       and error messages, and a default value (which is returned if the user responds with a RETURN).

       All messages are limited in length to 70 characters and are formatted automatically. Any white space used in the definition (including new-
       line)  is stripped. The -W option cancels the automatic formatting. When a tilde is placed at the beginning 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 NOTES) is displayed.

       Three visual tool modules are linked to the ckyorn command. They are erryorn (which formats and displays an error message), helpyorn (which
       formats	and  displays  a  help	message), and valyorn (which validates a response). These modules should be used in conjunction with  FACE
       objects. In this instance, the  FACE object defines the prompt.

OPTIONS

       The following options are supported:

       -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.

       -h help	     Defines the help messages as help.

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

       -p prompt     Defines the prompt message as prompt.

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

       -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.

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

OPERANDS

       The following operand is supported:

       input	Input to be verified as y, yes, or n, no (in any combination of upper- and lower-case letters).

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    Usage error.

       3    User termination (quit).

ATTRIBUTES

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

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

SEE ALSO

       attributes(5)

NOTES

       The default prompt for ckyorn is:

	 Yes or No [y,n,?,q]:

       The default error message is:

	 ERROR - Please enter yes or no.

       The default help message is:

	 To respond in the affirmative, enter y, yes, Y, or YES.
	 To respond in the negative, enter n, no, N, or NO.

       When  the  quit option is chosen (and allowed), q is returned along with the return code 3. The valyorn module will not produce any output.
       It returns  0 for success and non-zero for failure.

SunOS 5.11							    14 Sep 1992 							 ckyorn(1)

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