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Top Forums UNIX for Dummies Questions & Answers a dummy question on data processing Post 302344960 by Franklin52 on Tuesday 18th of August 2009 05:38:54 AM
Old 08-18-2009
With awk:

Code:
awk 'NR==2 || NR==4' file > newfile

for the 2nd question:

Code:
awk 'NR!=2 && NR!=4' file > newfile

Regards
 

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zlarcm.f(3)							      LAPACK							       zlarcm.f(3)

NAME
zlarcm.f - SYNOPSIS
Functions/Subroutines subroutine zlarcm (M, N, A, LDA, B, LDB, C, LDC, RWORK) ZLARCM Function/Subroutine Documentation subroutine zlarcm (integerM, integerN, double precision, dimension( lda, * )A, integerLDA, complex*16, dimension( ldb, * )B, integerLDB, complex*16, dimension( ldc, * )C, integerLDC, double precision, dimension( * )RWORK) ZLARCM Purpose: ZLARCM performs a very simple matrix-matrix multiplication: C := A * B, where A is M by M and real; B is M by N and complex; C is M by N and complex. Parameters: M M is INTEGER The number of rows of the matrix A and of the matrix C. M >= 0. N N is INTEGER The number of columns and rows of the matrix B and the number of columns of the matrix C. N >= 0. A A is DOUBLE PRECISION array, dimension (LDA, M) A contains the M by M matrix A. LDA LDA is INTEGER The leading dimension of the array A. LDA >=max(1,M). B B is DOUBLE PRECISION array, dimension (LDB, N) B contains the M by N matrix B. LDB LDB is INTEGER The leading dimension of the array B. LDB >=max(1,M). C C is COMPLEX*16 array, dimension (LDC, N) C contains the M by N matrix C. LDC LDC is INTEGER The leading dimension of the array C. LDC >=max(1,M). RWORK RWORK is DOUBLE PRECISION array, dimension (2*M*N) Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Definition at line 115 of file zlarcm.f. Author Generated automatically by Doxygen for LAPACK from the source code. Version 3.4.1 Sun May 26 2013 zlarcm.f(3)
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