#! /bin/bash
head -5 $1
echo "remove $1 ?"
read answer
if
then
echo invalid answer
elif
rm $1
echo "$1 is deleted"
elif
then
echo file is not deleted
else
echo "invalid answer"
fi
What i really want this to do is to ask to delete the file or not..it says something wrong... (1 Reply)
#! /bin/bash
USAGE=" | ]
if
then
echo "$USAGE"
exit 1
fi
while getopts lb: OPTION
do
case $(OPTION)in
a) echo Hi there!
exit 2;;
b) echo hello
o) OARG=$OPTARG;;
\?)echo "$USAGE" ;;
exit 2;;
esac
done
shift `expr... (1 Reply)
can anyone tell me why this code doesn't work how its supposed to, its the hangman game but it doesn't play how its supposed to
#!/bin/bash
NoAttempts="0"
livesgiven="5"
LivesRemain=$livesgiven
LettersAttempted=""
wordfile=words
numwords=0
function menu()
{
clear
cat << menu... (1 Reply)
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:
ls -ld htdocs
drwxr-x--- 3 root root 8192 2006-11-19 10:41 htdocs
How would a host administrator... (1 Reply)
hi whats wrong in below??
CHECK=M10;
if ;
then
echo "hello hi";
else
echo "how are u hello hi";
fi
I am getting error as
./test.sh: line 2: '
./test.sh: line 2: M10: command not found
./test.sh: line 2: M10: command not found
./test.sh: line 2: M10: command not found (8 Replies)
whats wrong with the syntax, just the if-else part? Struggling for a bit with this now..I`m simply trying to increment 3 variables based on missing data, matches or mismatches for i and j
.......
{for(i=1;i<=NF;i++)
for(j=i+1;j<=NF;j++)
{ if(i=="" || $j=="") m++
... (1 Reply)
Hi
I am pretty new to bash scripting.I am trying to write the if statement in bash and it give me error. Can you please help me what I am doing wrong in If statement?
Code:
if && &&
then
fector=$kk;
divide=$DB_SIZE/$kk;
echo "factor value:$fector"
echo"divide... (1 Reply)
Hi
I am pretty new to bash scripting.I am trying to write the if statement in bash and it give me error. Can you please help me what I am doing wrong in If statement?
if && &&
then
fector=$kk;
divide=$DB_SIZE/$kk;
echo "factor value:$fector"
echo"divide value:$divide"... (1 Reply)
Hi
I am pretty new to bash scripting.I am trying to write the if statement in bash and it give me error. Can you please help me what I am doing wrong in If statement?
if && &&
then
fector=$kk;
divide=$DB_SIZE/$kk;
echo "factor value:$fector"
echo"divide value:$divide"... (4 Replies)
Discussion started by: Gevni
4 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)