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Full Discussion: Help in error seen in the Bash script
Top Forums Shell Programming and Scripting Help in error seen in the Bash script Post 302160476 by ahjiefreak on Tuesday 22nd of January 2008 02:13:12 AM
Old 01-22-2008
Help in error seen in the Bash script
Hi,

I am currently encounter an error of:-
./max.bash: line 45: [: 0.226667: integer expression expected

Basically I try to get the first field of first element in a file. If the first field number does not return me anything from the file, i will set the variable max as 0.

maximum=`cat $version.txt|head -1|awk '{print $1}'`

if [ $maximum -eq 0 ]
then
max=0
else
max=$maximum

It seems that it does not allow max to assigned with floating numbers.

Please help.


Thanks.
 

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LEARN ABOUT OPENSOLARIS

mlib_vectormaximummag_s32c

mlib_VectorMaximumMag_U8C(3MLIB)			    mediaLib Library Functions				  mlib_VectorMaximumMag_U8C(3MLIB)

NAME

       mlib_VectorMaximumMag_U8C,  mlib_VectorMaximumMag_S8C,  mlib_VectorMaximumMag_S16C, mlib_VectorMaximumMag_S32C, mlib_VectorMaximumMag_F32C,
       mlib_VectorMaximumMag_D64C - find the first element with the maximum magnitude in a vector

SYNOPSIS

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

       mlib_status mlib_VectorMaximumMag_U8C(mlib_u8 *max,
	    const mlib_u8 *x, mlib_s32 n);

       mlib_status mlib_VectorMaximumMag_S8C(mlib_s8 *max,
	    const mlib_s8 *x, mlib_s32 n);

       mlib_status mlib_VectorMaximumMag_S16C(mlib_s16 *max,
	     const mlib_s16 *x, mlib_s32 n);

       mlib_status mlib_VectorMaximumMag_S32C(mlib_s32 *max,
	     const mlib_s32 *x, mlib_s32 n);

       mlib_status mlib_VectorMaximumMag_F32C(mlib_f32 *max,
	     const mlib_f32 *x, mlib_s32 n);

       mlib_status mlib_VectorMaximumMag_D64C(mlib_d64 *max,
	     const mlib_d64 *x, mlib_s32 n);

DESCRIPTION

       Each of these functions finds the first element with the maximum magnitude in a complex vector, then puts the real and imaginary  parts	of
       it into max[0] and max[1], respectively.

PARAMETERS

       Each of the functions takes the following arguments:

       max    Pointer to the first element with the maximum magnitude.

       x      Pointer to the first element of the source vector.

       n      Number of elements in the source vector.

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_VectorMinimumMag_U8C(3MLIB), mlib_MatrixMaximumMag_U8C(3MLIB), mlib_MatrixMinimumMag_U8C(3MLIB), attributes(5)

SunOS 5.11							    2 Mar 2007					  mlib_VectorMaximumMag_U8C(3MLIB)
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