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

ckdate(1)				  User Commands 				ckdate(1)

       ckdate, errdate, helpdate, valdate - prompts for and validates a date

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

       /usr/sadm/bin/errdate [-W width] [-e error] [-f format]

       /usr/sadm/bin/helpdate [-W width] [-h help] [-f format]

       /usr/sadm/bin/valdate [-f format] input

       The  ckdate  utility  prompts  a  user and validates the response. It defines, among other
       things, a prompt message whose response should be a date, text for  help  and  error  mes-
       sages,  and  a default value (which will be returned if the user responds with a  RETURN).
       The user response must match the defined format for a date.

       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 will be 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) will be displayed.

       Three  visual  tool modules are linked to the ckdate command. They are errdate (which for-
       mats and displays an error message), helpdate (which formats and displays a help message),
       and valdate (which validates a response). These modules should be used in conjunction with
       FML objects. In this instance, the FML object defines the prompt. When format  is  defined
       in the errdate and helpdate modules, the messages will describe the expected format.

       The following options are supported:

       -d default    Defines  the default value as default. The default does not have to meet the
		     format criteria.

       -e error      Defines the error message as error.

       -f format     Specifies the format against which the input will be verified. Possible for-
		     mats and their definitions are:

		     %b  =    abbreviated month name (jan, feb, mar)

		     %B  =    full month name %d  = day of month (01 - 31)

		     %D  =    date as %m/%d/%y (the default format)

		     %e  =    day of month (1 - 31; single digits are preceded by a blank)

		     %h  =    abbreviated month name, identical to %b%

		     %m  =    month number (01 - 12)

		     %y  =    year within century (for instance, 89)

		     %Y  =    year as CCYY (for instance, 1989)

       -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 against format criteria.

       The following exit values are returned:

       0    Successful execution.

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

       3    User termination (quit).

       4    Garbled format argument.

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

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


       The default prompt for ckdate is:

	 Enter the date [?,q]:

       The default error message is:

	 ERROR - Please enter a date.  Format is <format>.

       The default help message is:

	 Please enter a date. Format is <format>.

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

SunOS 5.11				   14 Sep 1992					ckdate(1)

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