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Shell Programming and Scripting
sed/awk to insert comment at defined line number
Post 34851 by homefp on Monday 17th of March 2003 03:40:37 AM
03-17-2003
this was just to finalize my need...
I was wondering if in a single sed command it would be possible to remove several lines starting from my label :
the following :
sed '/label/{N;N;d;}' < input > output
is only removing the second line after label, isn't it ?
But if I want to remove in one shot several lines, having only my label as reference, how should I write my sed command ?
In fact, I would like to replace the 3 lines described in my previous post :
sed '/labe/{n;n;d;}' < filein > fileout; mv fileout filein
sed '/label/{n;d;}' < filein > fileout; mv fileout filein
sed '/label/d' < filein > fileout; mv fileout filein
with only one.
Thanks,
homefp
I was wondering if in a single sed command it would be possible to remove several lines starting from my label :
the following :
sed '/label/{N;N;d;}' < input > output
is only removing the second line after label, isn't it ?
But if I want to remove in one shot several lines, having only my label as reference, how should I write my sed command ?
In fact, I would like to replace the 3 lines described in my previous post :
sed '/labe/{n;n;d;}' < filein > fileout; mv fileout filein
sed '/label/{n;d;}' < filein > fileout; mv fileout filein
sed '/label/d' < filein > fileout; mv fileout filein
with only one.
Thanks,
homefp
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LEARN ABOUT DEBIAN
aubiotrack
AUBIOTRACK(1) General Commands Manual AUBIOTRACK(1) NAME
aubiotrack -- a command line tool for real time beat tracking SYNOPSIS
aubiotrack [options] [-i soundfile] DESCRIPTION
aubiotrack attempts to tap the beat and detect beat locations in musical sounds. When started with an input file argument (-i), aubiotrack print the beat locations in second detected in the file. When started without an input file argument (--input), aubiotrack creates jack input and output ports. When an input file is given, the results are given on the console. OPTIONS
This program follows the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. -i --input filein Run analysis on this audio file. Most common uncompressed formats are supported. -o --output fileout Save results in this file. The file will be created on the model of the input file. Results are marked by a short wood-block sam- ple. -O --onset mode The onset detection function to run. Available functions are complexdomain, hfc, phase, specdiff, energy, kl and mkl. By default, both Kullback Liebler (kl) and complex domain are used in parallel. -t --threshold value Set the threshold value for the onset peak picking. Typical values are within 0.001 and 0.900. Default is 0.1. Lower threshold values imply more onsets detected. Try 0.3 in case of over-detections. -j --jack Run in jack mode (default when started without input file) and creates a midi output. -v --verbose Show results on the console (default). -h --help Show summary of options. BUGS
For now the program has only been tested on audio signals sampled at 44.1 kHz. SEE ALSO
aubioonset(1) aubionotes(1) aubiocut(1) aubiopitch(1) AUTHOR
This manual page was written by Paul Brossier (piem@altern.org). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version published by the Free Software Foundation. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL. AUBIOTRACK(1)