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Full Discussion: grep - Extracting multiple key words from stdout
Top Forums Shell Programming and Scripting grep - Extracting multiple key words from stdout Post 302640801 by drl on Tuesday 15th of May 2012 10:26:03 AM
Old 05-15-2012
Hi.
Quote:
Originally Posted by jcdole
I get headache with quote.
Command agrep allows simple forms for AND ( ; ), as well as OR (, ), as shown here:
Code:
#!/usr/bin/env bash

# @(#) s1	Demonstrate searching for either-or patterns, agrep.

pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
C=$HOME/bin/context && [ -f $C ] && $C agrep

FILE=${1-data1}
# Omit if specimen not found:
pl " Sample of input file $FILE:"
specimen $FILE

pl " Results with agrep:"
agrep 'Repository: zypper_local,Installed: No,Status: not installed' $FILE

exit 0

producing:
Code:
% ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 2.6.26-2-amd64, x86_64
Distribution        : Debian GNU/Linux 5.0.8 (lenny) 
bash GNU bash 3.2.39
agrep - ( /usr/bin/agrep, 2007-02-07 )

-----
 Sample of input file data1:
Edges: 5:0:5 of 38 lines in file "data1"
Loading repository data...
Reading installed packages...


Information for package nxclient:
   ---
nxkill: 3.5.0-1
nxservice: 3.5.0-2
nxcompsh: 3.5.0-1
nx-X11-compat: 3.5.0-1


-----
 Results with agrep:
Repository: zypper_local
Installed: No
Status: not installed

And agrep is found in repository:
Code:
% zypper info agrep
Loading repository data...
Reading installed packages...


Information for package agrep:

Repository: openSUSE-11.4-Oss
Name: agrep
Version: 0.8.0-6.1
Arch: x86_64
Vendor: openSUSE
...

Best wishes ... cheers, drl
This User Gave Thanks to drl For This Post:
jcdole
 

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LEARN ABOUT DEBIAN

ding

DING(1) 							 Debian GNU/Linux							   DING(1)

NAME

       ding - dictionary lookup program for Unix

SYNOPSIS

       ding [options] [phrase]

DESCRIPTION

       ding is a dictionary lookup program for X Windows/Unix. It comes with a German-English dictionary with about 270,000 entries.

       It is based on Tk version >= 8.3 and uses the agrep(1) or egrep(1) tools for searching.

       In addition to this ding can also search using ispell(1) and dict(1).

       It  has	many  configuration  options,  such as search preferences, interface language (English or German), colors. It has history and help
       functions and comes with useful key and mouse bindings for quick and easy lookups.

       If you enter some word or phrase as command line argument, ding will start up with a translation of this word/phrase.

OPTIONS

       -x, --selection
	      Start searching for selected word (X selection).

       -m, --mini
	      Start with minimal size (search form only).

       -r, --remote
	      Start search in an already running program.

       -R, --remote-new
	      Start search in an already running program or start a new program.

       --noconf
	      Do not save preferences

       -D #, --debug #
	      Start with debug output, # = number (1..15).

USAGE

       It's very simple: Start ding (via KDE menu "Tools" or via command line), type in search word, press ENTER, read results. Search further	by
       double-clicking	a word, or select a word in another window and drop it by clicking with mouse button 2 over the "ding window". For further
       information consult the program help by pressing F1.

SEE ALSO

       agrep(1), egrep(1), ispell(1), ding(1).
       http://www.tu-chemnitz.de/~fri/ding/
       /usr/share/doc/ding/html/index.html

AUTHOR

       ding was written by Frank Richter <frank.richter@hrz.tu-chemnitz.de>.

       This manual page was written by Roland Rosenfeld <roland@spinnaker.de>, for the Debian GNU/Linux system (but may be used by others).

Debian Project							    March 2011								   DING(1)
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