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Full Discussion: column operation using awk
Top Forums Shell Programming and Scripting column operation using awk Post 302451902 by Franklin52 on Wednesday 8th of September 2010 12:29:38 PM
Old 09-08-2010
And yet another one Smilie:
Code:
awk 'NR==FNR{if(NR==7){min=$3;next} if($3 < min){min=$3};next}
FNR > 6{print $1, $2, $3-min | "sort -nk3"}' file file

 

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mlib_MatrixMinimumMag_U8C(3MLIB)			    mediaLib Library Functions				  mlib_MatrixMinimumMag_U8C(3MLIB)

NAME
mlib_MatrixMinimumMag_U8C, mlib_MatrixMinimumMag_S8C, mlib_MatrixMinimumMag_S16C, mlib_MatrixMinimumMag_S32C, mlib_MatrixMinimumMag_F32C, mlib_MatrixMinimumMag_D64C - find the first element with the minimum magnitude in a matrix SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_MatrixMinimumMag_U8C(mlib_u8 *min, const mlib_u8 *x, mlib_s32 m, mlib_s32 n); mlib_status mlib_MatrixMinimumMag_S8C(mlib_s8 *min, const mlib_s8 *x, mlib_s32 m, mlib_s32 n); mlib_status mlib_MatrixMinimumMag_S16C(mlib_s16 *min, const mlib_s16 *x, mlib_s32 m, mlib_s32 n); mlib_status mlib_MatrixMinimumMag_S32C(mlib_s32 *min, const mlib_s32 *x, mlib_s32 m, mlib_s32 n); mlib_status mlib_MatrixMinimumMag_F32C(mlib_f32 *min, const mlib_f32 *x, mlib_s32 m, mlib_s32 n); mlib_status mlib_MatrixMinimumMag_D64C(mlib_d64 *min, const mlib_d64 *x, mlib_s32 m, mlib_s32 n); DESCRIPTION
Each of these functions finds the first element with the minimum magnitude in a complex matrix, then puts the real and imaginary parts of it into min[0] and min[1], respectively. PARAMETERS
Each of the functions takes the following arguments: min Pointer to the first element with the minimum magnitude. x Pointer to the first element of the source matrix. m Number of rows in the source matrix. n Number of columns in the source 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 |Evolving | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_MatrixMaximumMag_U8C(3MLIB), mlib_VectorMaximumMag_U8C(3MLIB), mlib_VectorMinimumMag_U8C(3MLIB), attributes(5) SunOS 5.10 9 Nov 2004 mlib_MatrixMinimumMag_U8C(3MLIB)
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