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Full Discussion: spaces or Tabs?
Top Forums Shell Programming and Scripting spaces or Tabs? Post 302297108 by cfajohnson on Thursday 12th of March 2009 01:30:34 PM
Old 03-12-2009
Quote:
Originally Posted by llsmr777
When formatting a script let's say for instance the following:
Code:
 case ${choice} in
                  1)
                     vi ${tmp1}.tmp

                     # overwrite the tmp1 var with any user changes
                     cp ${tmp1}.tmp ${tmp1}
                     ;;
                  2)
                     # overwrite the tmp1 var with any user changes
                     cp ${tmp1}.tmp ${tmp1}

                     MAIN_2

                     sleep 3
                     ;;

Do I use tabs to indent or spaces? What is good practice?
thanks!

In this forum. good practice includes putting code inside [code] tags.

In your own code, use whichever works best for you. If you are sharing your code, use spaces, since tab settings are not the same for everyone.
 

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LEARN ABOUT OPENSOLARIS

mlib_matrixtranspose_s16c

mlib_MatrixTranspose_U8(3MLIB)				    mediaLib Library Functions				    mlib_MatrixTranspose_U8(3MLIB)

NAME

       mlib_MatrixTranspose_U8,    mlib_MatrixTranspose_U8C,	mlib_MatrixTranspose_S8,    mlib_MatrixTranspose_S8C,	 mlib_MatrixTranspose_S16,
       mlib_MatrixTranspose_S16C, mlib_MatrixTranspose_S32, mlib_MatrixTranspose_S32C - matrix transpose, in place

SYNOPSIS

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

       mlib_status mlib_MatrixTranspose_U8(mlib_u8 *xz, mlib_s32 mn);

       mlib_status mlib_MatrixTranspose_U8C(mlib_u8 *xz, mlib_s32 mn);

       mlib_status mlib_MatrixTranspose_S8(mlib_s8 *xz, mlib_s32 mn);

       mlib_status mlib_MatrixTranspose_S8C(mlib_s8 *xz, mlib_s32 mn);

       mlib_status mlib_MatrixTranspose_S16(mlib_s16 *xz, mlib_s32 mn);

       mlib_status mlib_MatrixTranspose_S16C(mlib_s16 *xz, mlib_s32 mn);

       mlib_status mlib_MatrixTranspose_S32(mlib_s32 *xz, mlib_s32 mn);

       mlib_status mlib_MatrixTranspose_S32C(mlib_s32 *xz, mlib_s32 mn);

DESCRIPTION

       Each of these functions performs an in-place transpose of a square matrix.

       For real data, the following pseudo code applies:

	 for (i = 1; i < mn; i++) {
	     for (j = 0; j < i; i++) {
		 tmp	      = xz[i*mn + j];
		 xz[i*mn + j] = xz[j*mn + i];
		 xz[j*mn + i] = tmp;
	     }
	 }

       For complex data, the following pseudo code applies:

	 for (i = 1; i < mn; i++) {
	     for (j = 0; j < i; i++) {
		 tmp0		      = xz[2*(i*mn + j)];
		 tmp1		      = xz[2*(i*mn + j) + 1];
		 xz[2*(i*mn + j)]     = xz[2*(j*mn + i)];
		 xz[2*(i*mn + j) + 1] = xz[2*(j*mn + i) + 1];
		 xz[2*(j*mn + i)]     = tmp0;
		 xz[2*(j*mn + i) + 1] = tmp1;
	     }
	 }

PARAMETERS

       Each of the functions takes the following arguments:

       xz    Pointer to the source and destination matrix.

       mn    Number of rows and columns in the matrix.

RETURN VALUES

       Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

ATTRIBUTES

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

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

SEE ALSO

       mlib_MatrixTranspose_U8(3MLIB), attributes(5)

SunOS 5.11							    2 Mar 2007					    mlib_MatrixTranspose_U8(3MLIB)
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