09-29-2017
You're not telling us how the "earliest epoch time" will be transported - in a file? A shell variable? Inside awk (etc.) already?
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1. Shell Programming and Scripting
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,
Mahesh Fernando. (3 Replies)
Discussion started by: maheshsri
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2. Shell Programming and Scripting
Is there anyway to get the start time and end time / status of a crontab job which was just completed? Of course, we know the start time of the crontab job since we are scheduling. But I would like to know process start and time recorded somewhere or can be fetched from a command like 'ps'. ... (3 Replies)
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3. Shell Programming and Scripting
Hi
having a file as follows
MediaErr.log
84 Server1 Policy1 Schedule1 master1 05/08/2008 02:12:16
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4. Shell Programming and Scripting
Hi guys,
I have a log that looks like that below. Columns 2 3 4 5 6 7 is the date/time stamp separated by comma.
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5. Shell Programming and Scripting
Hello All,
I have a problem calculating the time difference between start and end timings...!
the timings are given by 24hr format..
Start Date : 08/05/10 12:55
End Date : 08/09/10 06:50
above values are in mm/dd/yy hh:mm format.
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6. Shell Programming and Scripting
I have a text file which got 6th coloumn as date and 7th coloumn as time. The text contains data for last one week. I need to remove all the data whose date & time is after 03/08/2011 06:00:00 and save it on another file
TEXT FILE
========
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7. Shell Programming and Scripting
I have this:
301205 0000030000041.49000000.00 2011111815505 908
301205 0000020000029.10000000.00 2011111815505 962
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312291 ... (2 Replies)
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8. Shell Programming and Scripting
Is there a way to delete a line containing something and the blank line at the same time?
If you do this it leaves a blank line behind.
sed '/yum/d' .bash_historyI know this works but I would think there would be a way to do it with one command
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9. Shell Programming and Scripting
Hi,
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10. Shell Programming and Scripting
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
syslogout
SYSLOGOUT(8) System Manager's Manual SYSLOGOUT(8)
NAME
syslogout - modular centralized shell logout mechanism
DESCRIPTION
syslogout is a generic approach to enable centralized shell logout actions for all users of a given system in a modular and centralized way
mostly aimed at avoiding work for lazy sysadmins. It has only been tested to work with the bash shell.
It basically consists of the small /etc/syslogout shell script which invokes other small shell scripts having a .bash suffix which are con-
tained in the /etc/syslogout.d/ directory. The system administrator can drop in any script he wants without any naming convention other
than that the scripts need to have a .bash suffix to enable automagic sourcing by the /etc/syslogout script.
For shell sessions, the contents of /etc/syslogout.d/" will be sourced by every user at logout if the following lines are present in his
$HOME/.bash_logout:
if [ -f /etc/syslogout ]; then
. /etc/syslogout
fi
If used for X sessions it is advisable to include the former statement into the Xreset script of the X display manager instead to prevent
that closing of an terminal emulator window yields unexpected results in your running X session if your X11 terminal emulator is using a
login shell. Be sure then to run it under the user-id of the X session's user. See the example files in /usr/share/doc/syslogout/ for
illustration.
Users not wanting /etc/syslogout to be sourced for their environment can easily disable it's automatic mechanism. It can be disabled by
simply creating an empty file called $HOME/.nosyslogout in the user's home directory using e.g. the touch(1) command.
Any single configuration file in /etc/syslogout.d/ can simply be overridden by any user by creating a private $HOME/.syslogout.d/ directory
which may contain a user's own version of any configuration file to be sourced instead of the system default. It's names have just to
match exactly the system's default /etc/syslogout.d/ configuration files. Empty versions of these files contained in the $HOME/.syslo-
gout.d/ directory automatically disable sourcing of the system wide version.
Naturally, users can add and include their own private scripts to be automagically executed by /etc/syslogout at logout time.
OPTIONS
There are no options other than those dictated by shell conventions. Anything is defined within the configuration scripts themselves.
SEE ALSO
The README files and configuration examples contained in /usr/share/doc/syslogout/ and the manual page for bash(1), xdm(1x),
xdm.options(5), and wdm(1x). Recommended further reading is everything related with shell programming.
If you need a similar mechanism for executing code at login time check out the related package sysprofile(8) which is a very close compan-
ion to syslogout.
BUGS
syslogout in its current form is mainly restricted to bash(1) syntax. In fact it is actually a rather embarrassing quick and dirty hack
than anything else - but it works. It serves the practical need to enable a centralized bash configuration until something better
becomes available. Your constructive criticism in making this into something better" is very welcome. Before i forget to mention it: we
take patches... ;-)
AUTHOR
syslogout was developed by Paul Seelig <pseelig@debian.org> specifically for the Debian GNU/Linux system. Feel free to port it to and use
it anywhere else under the conditions of either the GNU public license or the BSD license or both. Better yet, please help to make it into
something more worthwhile than it currently is.
SYSLOGOUT(8)