grep and regular expression Post: 302398095

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grep : regular expression

guys, my requirment goes like this: I have a file, and wish to filter out records where 1. The first letter is o or O and 2. The next 4 following letter should not be ther I do not wish to use pipe and wish to do it in one shot. The best expression I came up with is: grep ^*...

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regarding grep regular expression

When i do ls -ld RT_BP* i am getting the following list. drwxrwx--- 2 user group 256 Oct 17 10:09 RT_BP809 drwxrwx--- 2user group 256 Oct 17 10:09 RT_BP809.O drwxrwx--- 2 user group 256 Oct 17 10:09 RT_BP810 drwxrwx--- 2user group 256 Oct...

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grep with regular expression

Hi, guys. I have one question, hope somebody can give me a hand I have a file called passwd, the contents of it arebelow: *********************** ... goldsimj:x:5008:200: goldsij2:x:5009:200: whitej:x:5010:201: brownj:x:5011:202: goldsij3:x:5012:204: greyp:x:5013:203: ......

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grep regular expression

please can someone tell me what the following regrex means grep "^aa*$" <file> I thought this would match any word beginning with aa and ending with $, but it doesnt. Thanks in advance Calypso

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Help | unix | grep | regular expression

I have the following code: ls -al /bin | tr -s ' ' | grep 'x' ls -al: Lists all the files in a given director such as /bin tr -s ' ': removes additional spaces between characters so that there is only one space grep 'x': match all "x" characters that are followed by a whitespace. I was...

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Hi, Input file: -13- -1er- -1xyz1- -1xz12- -2ab1- -2ab2-- -143- Code: grep '^*\-' input.txt Wrong output: -13- -1xyz1- -2ab1- -2ab2--

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Grep + Regular expression or

Hi , I have few lines like A20120101.ANU.ZIP A20120401.ABC.ZIP A20120105.KJK.ZIP A20120809.JUG.ZIP A20120101.MAT.ZIP B20120301.ANU.XIP I want to filter by 1. Files starting with A and Ending With Z ( ^A.*.ZIP$) 2. And either ANU, or KJK or MAT in the file name. Hope my...

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Grep regular expression

I want to track only below: I am using below, but it doesn't work:

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hwloc_obj_attr_u_hwloc_pcidev_attr_s

hwloc_obj_attr_u::hwloc_pcidev_attr_s(3)		     Hardware Locality (hwloc)			  hwloc_obj_attr_u::hwloc_pcidev_attr_s(3)

NAME

       hwloc_obj_attr_u::hwloc_pcidev_attr_s -

SYNOPSIS

       #include <hwloc.h>

   Data Fields
       unsigned short domain
       unsigned char bus
       unsigned char dev
       unsigned char func
       unsigned short class_id
       unsigned short vendor_id
       unsigned short device_id
       unsigned short subvendor_id
       unsigned short subdevice_id
       unsigned char revision
       float linkspeed

Detailed Description
       PCI Device specific Object Attributes.

Field Documentation
   unsigned char hwloc_obj_attr_u::hwloc_pcidev_attr_s::bus
   unsigned short hwloc_obj_attr_u::hwloc_pcidev_attr_s::class_id
   unsigned char hwloc_obj_attr_u::hwloc_pcidev_attr_s::dev
   unsigned short hwloc_obj_attr_u::hwloc_pcidev_attr_s::device_id
   unsigned short hwloc_obj_attr_u::hwloc_pcidev_attr_s::domain
   unsigned char hwloc_obj_attr_u::hwloc_pcidev_attr_s::func
   float hwloc_obj_attr_u::hwloc_pcidev_attr_s::linkspeed
   unsigned char hwloc_obj_attr_u::hwloc_pcidev_attr_s::revision
   unsigned short hwloc_obj_attr_u::hwloc_pcidev_attr_s::subdevice_id
   unsigned short hwloc_obj_attr_u::hwloc_pcidev_attr_s::subvendor_id
   unsigned short hwloc_obj_attr_u::hwloc_pcidev_attr_s::vendor_id
Author
       Generated automatically by Doxygen for Hardware Locality (hwloc) from the source code.

Version 1.4.1							  Mon Feb 27 2012			  hwloc_obj_attr_u::hwloc_pcidev_attr_s(3)

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grep regular expression

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