ckrange(1) ckrange(1)
NAME
ckrange - prompt for and validate an integer
SYNOPSIS
ckrange [-Q] [-W width] [-l lower] [-u upper] [-b base] [-d default]
[-h help] [-e error] [-p prompt] [-k pid [-s signal]]
errange [-W width] [-l lower] [-u upper] [-e error] [-b base]
helprange [-W width] [-l lower] [-u upper] [-h help] [-b base]
valrange [-l lower] [-u upper] [-b base] input
DESCRIPTION
ckrange prompts a user and validates the response. It
defines, among other things, a prompt message whose response
should be an integer in the range specified, text for help and
error messages, and a default value (which is returned if the
user responds with a RETURN).
This command also defines a range for valid input. If either
the lower or upper limit is left undefined, then the range is
bounded on only one end.
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 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 NOTICES) is displayed.
Three visual tool modules are linked to the ckrange command.
They are errange (which formats and displays an error
message), helprange (which formats and displays a help
message), and valrange (which validates a response). These
modules should be used in conjunction with FMLI objects. In
this instance, the FMLI object defines the prompt.
The options and arguments for this command are:
-Q Do not allow quit as a valid response.
-W Use width as the line length for prompt, help, and error
messages.
Copyright 1994 Novell, Inc. Page 1
ckrange(1) ckrange(1)
-l The lower limit of the range is lower. Default is the
machine's largest negative integer or long.
-u The upper limit of the range is upper. Default is the
machine's largest positive integer or long.
-b The base for input is base. Must be 2 to 36, default is
10.
-d The default value is default. The default is not
validated and so does not have to meet any criteria. If
default is non-numeric, ckrange returns 0 and not the
alphabetic string.
-h The help message is help.
-e The error message is error.
-p The prompt message is prompt.
-k Send process ID pid a signal if the user chooses to
abort.
-s When quit is chosen, send signal to the process whose
pid is specified by the -k option. If no signal is
specified, use SIGTERM.
input Input to be verified against upper and lower limits and
base.
EXIT CODES
0 = Successful execution
1 = EOF on input
1 = Usage error
3 = User termination (quit)
NOTICES
The default base 10 prompt for ckrange is:
Enter an integer between lower and upper [lower-upper,q,?]
The default base 10 error message is:
ERROR - Please enter an integer between lower and upper.
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ckrange(1) ckrange(1)
The default base 10 help message is:
Please enter an integer between lower and upper.
The messages are changed from ``integer'' to ``base base
integer'' if the base is set to a number other than 10.
When the quit option is chosen (and allowed), q is returned
along with the return code 3. The valrange module does not
produce any output. It returns zero for success and non-zero
for failure.
Copyright 1994 Novell, Inc. Page 3