08-11-2010
list all files containing 4 digit number using grep
how can i list all files in my home directory that have a 4 digit id number, the line number where the id is located and the id itself not printing the entire line?
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LEARN ABOUT CENTOS
octave
OCTAVE(1) General Commands Manual OCTAVE(1)
NAME
octave - A high-level interactive language for numerical computations.
SYNOPSIS
octave [options]... [file]
DESCRIPTION
Octave is a high-level language, primarily intended for numerical computations. It provides a convenient command line interface for solv-
ing linear and nonlinear problems numerically.
OPTIONS
The complete set of command-line options for octave is available by running the following command from the shell.
octave --help
DOCUMENTATION
The primary documentation for Octave is written using Texinfo, the GNU documentation system, which allows the same source files to be used
to produce on-line and printed versions of the manual.
You can read the on-line copy of the Octave documentation by issuing the following command from within octave.
octave:1> doc
The Info files may also be read with a stand-alone program such as info or xinfo. HTML, Postscript, or PDF versions of the documentation
are installed on many systems as well.
BUGS
The Octave project maintains a bug tracker at http://bugs.octave.org. Before submitting a new item please read the instructions at
http://www.octave.org/bugs.html on how to submit a useful report.
FILES
Upon startup Octave looks for four initialization files. Each file may contain any number of valid Octave commands.
octave-home/share/octave/site/m/startup/octaverc
Site-wide initialization file which changes options for all users. octave-home is the directory where Octave was installed such as
/usr/local.
octave-home/share/octave/version/m/startup/octaverc
Site-wide initialization file for Octave version version.
~/.octaverc
User's personal initialization file.
.octaverc
Project-specific initialization file located in the current directory.
AUTHOR
John W. Eaton <jwe@octave.org>
GNU Octave 4 February 2011 OCTAVE(1)