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Full Discussion: [Solved] Testing Data Type of User Input
Top Forums Shell Programming and Scripting [Solved] Testing Data Type of User Input Post 302884234 by bakunin on Saturday 18th of January 2014 07:49:00 PM
Old 01-18-2014
Quote:
Originally Posted by mohamed91
i'm using UNIX solaries ksh
[...]
it always see the input write .. for example if u give a alpha to numeric field ,it accept it !
OK, this explains at least some of the missing parts. You still haven't said which data types you expect and how they look like. In fact this is the first thing you should do: ask yourself what a "datatype" is and what it looks like. Write down the rules for the data types you want to check.

For instance, mentioned "numeric", but: will this be an integer (no commas) or a floating point value (can contain commas), will it be unsigned (no negative values) or signed (negative and positive values possible), will it have certain ranges, which are allowed (for instance, 8bit so-called "short short int" can hold values 0-255 when unsigned, 0- +/-127 when signed)

Then, there might be "intrinsic rules": if you enter a name (basically a string) you might want to allow "-" but not characters like "&", "%", etc.. Further, a rule might be that the first letter in each word has to be uppercase, all others lowercase (because "John Doe" is correct, "JOhn dOE" is not). Your type-checker should reflect that.

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
mohamed91
 

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LEARN ABOUT DEBIAN

mincextract

MINCEXTRACT(1)							 MINC User's Guide						    MINCEXTRACT(1)

NAME

       mincextract - dump a hyperslab of MINC file data

SYNOPSIS

       mincextract [options] mincfile

DESCRIPTION

       mincextract dumps a chunk of MINC file data to standard output in the format of your choice.

OPTIONS

       -ascii Write out data as ascii strings (default)

       -byte  Write out data as 8-bit integers

       -short Write out data as 16-bit integers

       -int   Write out data as 32-bit integers

       -long  Superseded by -int

       -float Write out data as single precision floating-point values

       -double
	      Write out data as double precision floating-point values

       -filetype
	      Write out data in the type of the file

       -signed
	      Write out signed data (applies only to integer types)

       -unsigned
	      Write out unsigned data (applies only to integer types)

       -range low high
	      Specify the range of output values

       -normalize
	      Normalize integer pixel values to file max and min (Default)

       -nonormalize
	      Turn off pixel normalization

       -image_range low high
	      Specify the range of real image values for normalization

       -image_minimum min
	      Specify the minimum real image value for normalization

       -image_maximum max
	      Specify the maximum real image value for normalization

       -start indexvector
	      Specifies  corner  of  hyperslab (C conventions for indices).  Indices are either separated by spaces (enclosed by quotes) or commas
	      (no quotes required).

       -count indexvector
	      Specifies edge lengths of hyperslab to read.  Indices are either separated by spaces (enclosed  by  quotes)  or  commas  (no  quotes
	      required).

       -positive_direction
	      Flip images to always have positive direction.

       -negative_direction
	      Flip images to always have negative direction.

       -any_direction
	      Do not flip images (Default).

       +xdirection
	      Flip images to give positive xspace:step value (left-to-right).

       -xdirection
	      Flip images to give negative xspace:step value (right-to-left).

       -xanydirection
	      Don't flip images along x-axis (default).

       +ydirection
	      Flip images to give positive yspace:step value (post-to-ant).

       -ydirection
	      Flip images to give negative yspace:step value (ant-to-post).

       -yanydirection
	      Don't flip images along y-axis (default).

       +zdirection
	      Flip images to give positive zspace:step value (inf-to-sup).

       -zdirection
	      Flip images to give negative zspace:step value (sup-to-inf).

       -zanydirection
	      Don't flip images along z-axis (default).

       -help  Print summary of command-line options and exit.

       -version
	      Print the program's version number and exit.

AUTHOR

       Peter Neelin

COPYRIGHTS

       Copyright (C) 1993 by Peter Neelin

SEE ALSO

       minctoraw(1)

							   $Date: 2004-05-20 21:52:08 $ 					    MINCEXTRACT(1)
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