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Full Discussion: Bash Script issues
Top Forums Shell Programming and Scripting Bash Script issues Post 302519713 by agama on Wednesday 4th of May 2011 10:14:48 PM
Old 05-04-2011
This is a simple function that tests for non-alpha characters in a word. May not be the most efficient, but it does work.

Code:
# returns good (0) if the word contains only alpha chracters
function word_ok
{
        case $1 in 
                *[^a-zA-Z]*)    return 1;;   # return bad if word contains any non-alpha
        esac

        return 0
}

# example usage:
if word_ok $1
then
        echo "word is ok: $1"
else
        echo "word is bad: $1"
fi

Hope this helps.
 

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LEARN ABOUT OPENSOLARIS

mlib_videocolorrgbxint_to_abgrint

mlib_VideoColorRGBXint_to_ABGRint(3MLIB)		    mediaLib Library Functions			  mlib_VideoColorRGBXint_to_ABGRint(3MLIB)

NAME

       mlib_VideoColorRGBXint_to_ABGRint - convert RGBX interleaved to ABGR interleaved

SYNOPSIS

       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       void mlib_VideoColorRGBXint_to_ABGRint(mlib_u32 *ABGR,
	    const mlib_u32 *RGBX, const mlib_u8 *A_array,
	    mlib_u8 A_const, mlib_s32 w,
	    mlib_s32 h, mlib_s32 dlb,
	    mlib_s32 slb, mlib_s32 alb);

DESCRIPTION

       The interleaved RGBX stream and the alpha values are combined into an interleaved A, B, G, R output stream. Within each 32-bit input pixel,
       the component ordering is R (bits 31-24), G (bits 23-16), and B (bits 15-8). Within each 32-bit output pixel, the component bordering is  A
       (bits 31-24), B (bits 23-16), G (bits 15-8), and R (bits 7-0). The alpha values for this function work in the following fashion: if A_array
       is not NULL, the values are taken from the corresponding locations in the alpha array, otherwise  a  constant  alpha  value,  specified	by
       A_const, is store in each output pixel. Each element in the alpha array is an unsigned byte. w and h define the dimensions of the region of
       the buffers to be processed. The linebyte parameters are used to advance the data pointers for each of the buffers.

PARAMETERS

       The function takes the following arguments:

       ABGR	  Pointer to output buffer (word-aligned).

       RGBX	  Pointer to input buffer (word-aligned).

       A_array	  Pointer to array of alpha values (byte-aligned).

       A_const	  Constant alpha value (range = 0..255).

       w	  Image width in pixels.

       h	  Image height in lines.

       dlb	  Linebytes for output buffer.

       slb	  Linebytes for input buffer.

       alb	  Linebytes for alpha buffer.

RETURN VALUES

       None.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mlib_VideoColorRGBseq_to_ABGRint(3MLIB), mlib_VideoColorRGBint_to_ABGRint(3MLIB), mlib_VideoColorBGRint_to_ABGRint(3MLIB), mlib_VideoColor-
       RGBXint_to_ARGBint(3MLIB), mlib_VideoColorXRGBint_to_ABGRint(3MLIB), mlib_VideoColorXRGBint_to_ARGBint(3MLIB), attributes(5)

SunOS 5.11							    2 Mar 2007				  mlib_VideoColorRGBXint_to_ABGRint(3MLIB)
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