sed script to delete the last word after a last pattern match Post: 303033230

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Top Forums UNIX for Beginners Questions & Answers sed script to delete the last word after a last pattern match Post 303033230 by kshitij on Tuesday 2nd of April 2019 01:41:47 AM

04-02-2019

Registered User

sed script to delete the last word after a last pattern match

Hi Guys ,

I am having a file as stated below

File 1

Code:

sa0   --   i_core/i_core_apb/i_afe0_controller/U261/A
 sa0   --   i_core/i_core_apb/i_afe0_controller/U265/Z
 sa1   --   i_core/i_core_apb/i_afe0_controller/U265/A
 sa1   --   i_core/i_core_apb/i_afe0_controller/U268/Z
 sa1   --   i_core/i_core_apb/i_afe0_controller/U268/A
 sa1   --   i_core/i_core_apb/i_afe0_controller/U273/Z
sa0   --   i_core/i_core_ahb/i_hebi/i_hsdramc1/i_hsdramc1_ocms_scrambler/ext_key_regx63x/D
 sa1   AN   i_core/i_core_ahb/i_hebi/i_hsdramc1/i_hsdramc1_ocms_scrambler/ext_key_regx63x/SE

I want to search the last "/" in each and every line and delete the last word after that including last "/"

Output

Code:

sa0   --   i_core/i_core_apb/i_afe0_controller/U261
 sa0   --   i_core/i_core_apb/i_afe0_controller/U265
 sa1   --   i_core/i_core_apb/i_afe0_controller/U265
 sa1   --   i_core/i_core_apb/i_afe0_controller/U268
 sa1   --   i_core/i_core_apb/i_afe0_controller/U268
 sa1   --   i_core/i_core_apb/i_afe0_controller/U273
sa0   --   i_core/i_core_ahb/i_hebi/i_hsdramc1/i_hsdramc1_ocms_scrambler/ext_key_regx63x
 sa1   AN   i_core/i_core_ahb/i_hebi/i_hsdramc1/i_hsdramc1_ocms_scrambler/ext_key_regx63x

Could you help me out?

kshitij

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LEARN ABOUT DEBIAN

sa1

SA1(8)								Linux User's Manual							    SA1(8)

NAME

       sa1 - Collect and store binary data in the system activity daily data file.

SYNOPSIS

       /usr/lib/sysstat/sa1 [ --boot | interval count ]

DESCRIPTION

       The  sa1 command is a shell procedure variant of the sadc command and handles all of the flags and parameters of that command. The sa1 com-
       mand collects and stores binary data in the /var/log/sysstat/sadd file, where the dd parameter indicates the current day. The interval  and
       count  parameters specify that the record should be written count times at interval seconds. If no arguments are given to sa1 then a single
       record is written.

       The sa1 command is designed to be started automatically by the cron command.

OPTIONS

       --boot This option tells sa1 that the sadc command should be called without specifying the interval and count parameters in order to insert
	      a dummy record, marking the time when the counters restarts from 0.

EXAMPLE

       To collect data (including those from disks) every 10 minutes, place the following entry in your root crontab file:

       0,10,20,30,40,50 * * * * /usr/lib/sysstat/sa1 1 1 -S DISK

   Debian note
       The  Debian  sysstat  package  has  already  placed  such  an  entry  in  your  system  crontab.   Please  refer to the /usr/share/doc/sys-
       stat/README.Debian file for details.

FILES

       /var/log/sysstat/sadd
	      Indicate the daily data file, where the dd parameter is a number representing the day of the month.

AUTHOR

       Sebastien Godard (sysstat <at> orange.fr)

SEE ALSO

       sar(1), sadc(8), sa2(8), sadf(1), sysstat(5)

       http://pagesperso-orange.fr/sebastien.godard/

Linux								   FEBRUARY 2012							    SA1(8)