Just for clarity here (there is absolutely no critical intent) - when using sed and there are a lot of escaped slashes I use a different separator - to make things easier to read.
I would enter that as follows.
You can use any character that you want here, as I said just improves readability IMHO.
Hey folks! I'm trying to work on a script that will add a user to the system. I have the complete script, but it's not working for me, and I'm not sure what to do.
line 53: syntax error near unexpected token `0'
********************************************************
#!/bin/bash
#
# ... (4 Replies)
I'm just not sure where to start looking into this. I want to be able to create switches for my script. Back in the day I'd make my scripts interactive...you know:
echo "what report do you want"
echo "A)boxes with errors"
echo "B)boxes with more than 5 errors"
echo "C)Service groups that have... (3 Replies)
Hi.
I use an alias, "homeperm" as shorthand for curl -o. Since most of what I download via cUrl is graphic image files -- jpeg files -- I'd like to be able to change this alias to a script, or use it to invoke a function, which will not only download the file but date-stamp it using Exiv2 in... (4 Replies)
I'm trying to write a bash script and call it "compile" such that running it allows me to compile multiple files with the options "-help," "-backup," and "-clean". I've got the code for the options written, i just can't figure out how to read the input string and then translate that into option... (5 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
Creating bash script the dd command and its new options (-l -U)
-l options to lowercase contents of file
-U... (2 Replies)
I have the following code and I am calling it using
./raytrac.bash -u
and getting problems. For some reason opt_usage is still 0.
opt_usage=0
iarg=0
narg=$#
while (($iarg < $narg))
do
(( iarg = $iarg + 1 ))
arg=$argv
usrInputFlag=`echo $arg | awk '/=/ {print 1}; ! /=/... (22 Replies)
I'm working on a script to execute a number of items. One being, editing particular files to add certain lines. I'm attempting to utilize sed, but, having issues when running from a bash script. Assistance is greatly appreciated.
My example:
sed -i '14 i\
# add these lines
add these lines to... (5 Replies)
Hi Again,
I have a file that contains date and time for the past 2 hours. What i need is add missing date and time in a file.
INPUT
2016-01-13 01:33 10
2016-01-13 01:31 10
2016-01-13 01:30 10
2016-01-13 01:29 10
2016-01-13 01:28 10
2016-01-13 01:27 10
2016-01-13 01:26 10
2016-01-13... (14 Replies)
Hello UNIX & Linux Forums community! Long time Linux daily user hobbyist, new to shell scripting....
I'm working on a script that does all the "work" in one script, and makes calls to a second script to display info to the user via mostly expanding variables in heredocs.
I'm contemplating... (6 Replies)
Discussion started by: Cody Learner
6 Replies
LEARN ABOUT CENTOS
trace-cmd-list
TRACE-CMD-LIST(1)TRACE-CMD-LIST(1)NAME
trace-cmd-list - list available plugins, events or options for Ftrace.
SYNOPSIS
trace-cmd list [OPTIONS]
DESCRIPTION
The trace-cmd(1) list displays the available plugins, events or Ftrace options that are configured on the current machine. If no option is
given, then it lists all plugins, events and Ftrace options to standard output.
OPTIONS -e
This option will list the available events that are enabled on the local system.
-t
This option will list the available tracers that are enabled on the local system.
-p
Same as -t and only for legacy purposes.
-o
This option will list the available Ftrace options that are configured on the local system.
-f [regex]
This option will list the available filter functions. These are the list of functions on the system that you can trace, or filter on.
It takes an optional argument that uses regcomp(3) expressions to seach.
trace-cmd list -f '^sched.*'
-P
List the plugin files that get loaded on trace-cmd report.
-O
List plugin options that can be used by trace-cmd report -O option.
SEE ALSO trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1),
trace-cmd-split(1), trace-cmd-listen(1)AUTHOR
Written by Steven Rostedt, <rostedt@goodmis.org[1]>
RESOURCES
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git
COPYING
Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).
NOTES
1. rostedt@goodmis.org
mailto:rostedt@goodmis.org
06/11/2014 TRACE-CMD-LIST(1)