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Shell Programming and Scripting
Remove lines having older end time
Post 303004305 by Agoyals1986 on Friday 29th of September 2017 06:46:20 AM
09-29-2017
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Hello friends,
I want to remove blank spaces at the end of lines. I use sed command to do this but it is not working correctly.
sed ‘s/ $//’ file_name
Can some body tell me what is the proper way to remove blank spaces at the end of a limes.
Thanks,
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Hi guys,
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========
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I have this:
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Hi Experts/Gurus,
Is there a way to remove lines in a file that are older than x days (i.e. 30 days) based on the date stamp in the first column?
Example.
$ date
Sat Jan 11 14:12:06 EDT 2014
$cat sample.txt
10-10-2013 09:00:01 AM|Line test 1234567
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LEARN ABOUT DEBIAN
surfraw-update-path
SURFRAW-UPDATE-PATH(1) User Contributed Perl Documentation SURFRAW-UPDATE-PATH(1) NAME
surfraw-update-path - updates PATH in shell config files SYNOPSIS
surfraw-update-path [-add] [-remove] [-check] [-sys] [-all] [-help] [-shell=SHELL] DESCRIPTION
surfraw-update-path adds the surfraw elvi directory (/usr/lib/surfraw) to your PATH in your shell's config file. Currently it supports bash, sh, csh, tcsh, ash, dash, ksh, pdksh, zsh, rc, and es Don't forget to login again or source your login files for it to take effect. OPTIONS
-check Checks to see if the surfraw config code is present. This is the default. -add Adds the surfraw config code. -remove Removes the surfraw config code -sys Updates the system-wide shell config instead of the user. Must be done as root. -shell=SHELL Selects the shell to configure. Defaults to the value of the $SHELL environment variable. Currently supported shells are: sh, ash, bash, dash, csh, tcsh, ksh, pdksh, zsh, rc, and es. -all Attempts to configure the startup files for all known shells -help Gives a usage message RETURN VALUE
-check returns 0 if the surfraw code is present in the file, 1 if it is not found, or 2 on error. All other options return 0 on success, or 2 on error. ENVIRONMENT
SHELL Used to determine which shell to configure, if -shell is not given. HOME Used to find users config files. ENV Used by posix-compliant shells to specify a startup rc file. ZDOTDIR Used to find user config files for zsh. If not set, defaults to HOME. SEE ALSO
surfraw(1), sh(1), ash(1), bash(1), dash(1), csh(1), tcsh(1), ksh(1), pdksh(1), zsh(1), rc(1), es(1) AUTHOR
Ian Beckwith <ianb@erislabs.net> perl v5.12.4 2011-07-12 SURFRAW-UPDATE-PATH(1)