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

ckyorn(1)				  User Commands 				ckyorn(1)

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

       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

       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 newline) is stripped. The -W option  cancels
       the automatic formatting. When a tilde is placed at the beginning or end of a message def-
       inition, 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  for-
       mats 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.

       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

       -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

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

       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).

       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).

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

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


       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

SunOS 5.11				   14 Sep 1992					ckyorn(1)

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