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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 CENTOS

grub-file

GRUB-FILE(1)                                                       User Commands                                                      GRUB-FILE(1)

NAME

       grub-file - check file type

SYNOPSIS

       file OPTIONS FILE

DESCRIPTION

       Check if FILE is of specified type.

       --is-i386-xen-pae-domu
              Check if FILE can be booted as i386 PAE Xen unprivileged guest kernel

       --is-x86_64-xen-domu
              Check if FILE can be booted as x86_64 Xen unprivileged guest kernel

       --is-x86-xen-dom0
              Check if FILE can be used as Xen x86 privileged guest kernel

       --is-x86-multiboot
              Check if FILE can be used as x86 multiboot kernel

       --is-x86-multiboot2 Check if FILE can be used as x86 multiboot2 kernel

       --is-arm-linux
              Check if FILE is ARM Linux

       --is-arm64-linux
              Check if FILE is ARM64 Linux

       --is-ia64-linux
              Check if FILE is IA64 Linux

       --is-mips-linux
              Check if FILE is MIPS Linux

       --is-mipsel-linux
              Check if FILE is MIPSEL Linux

       --is-sparc64-linux
              Check if FILE is SPARC64 Linux

       --is-powerpc-linux
              Check if FILE is POWERPC Linux

       --is-x86-linux
              Check if FILE is x86 Linux

       --is-x86-linux32
              Check if FILE is x86 Linux supporting 32-bit protocol

       --is-x86-kfreebsd
              Check if FILE is x86 kFreeBSD

       --is-i386-kfreebsd
              Check if FILE is i386 kFreeBSD

       --is-x86_64-kfreebsd
              Check if FILE is x86_64 kFreeBSD

       --is-x86-knetbsd
              Check if FILE is x86 kNetBSD

       --is-i386-knetbsd
              Check if FILE is i386 kNetBSD

       --is-x86_64-knetbsd Check if FILE is x86_64 kNetBSD

       --is-i386-efi
              Check if FILE is i386 EFI file

       --is-x86_64-efi
              Check if FILE is x86_64 EFI file

       --is-ia64-efi
              Check if FILE is IA64 EFI file

       --is-arm64-efi
              Check if FILE is ARM64 EFI file

       --is-arm-efi
              Check if FILE is ARM EFI file

       --is-hibernated-hiberfil
              Check if FILE is hiberfil.sys in hibernated state

       --is-x86_64-xnu
              Check if FILE is x86_64 XNU (Mac OS X kernel)

       --is-i386-xnu
              Check if FILE is i386 XNU (Mac OS X kernel)

       --is-xnu-hibr
              Check if FILE is XNU (Mac OS X kernel) hibernated image

       --is-x86-bios-bootsector
              Check if FILE is BIOS bootsector

       -h, --help              Display this help and exit.  -u, --usage             Display the usage of this command and exit.

SEE ALSO

       The  full documentation for grub-file is maintained as a Texinfo manual.  If the info and grub-file programs are properly installed at your
       site, the command

              info grub-file

       should give you access to the complete manual.

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