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Top Forums Shell Programming and Scripting How to read n number of lines from a file Post 302395453 by panyam on Tuesday 16th of February 2010 06:21:33 AM
Old 02-16-2010
Something like this:

Code:
 
awk -v max=0 'max < $2 { max=$2 ;row=$0 ;next } END { print "max=" max "\n" row }' input_file

 

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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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