OS: Solaris
Shell : KSH
Please help me in writing a script that captures a error message from a log file ( which updates continiously ) and send an email alert as soon as the systems throws a error message into that log.
i.e With out monitoring the log
Thanks in advance.. (1 Reply)
I am working on writing scripts. Here is a script I need help with. I have also wrote what I think it is. I would really appreciate any help that I can get.
Create an executable script file called "newname" that will perform the followings:
1. Rename a file upon the user's request. If the... (2 Replies)
Create an executable script file called "newname" that will perform the followings:
1. Rename a file upon the user's request. If the file exists, prompt the user for confirmation before renaming the file. The screen should prompt the user for
a. "Name of file you want to rename." Use the "\c"... (7 Replies)
Hi,
I am not very skilled using ksh scripts.
How do I create a ksh script that will accept arguments and use them in the script ?
I need to make this:
Run this command with this argument:
./mykshprogram.ksh madsen
and sometimes I need to do this:
Run the ksh again with 2... (3 Replies)
does anyone can help me with this homework, please..I am beginner in linux and I don't how to do it :(
Create a script scanner.sh which will accept two arguments: the first argument is the DNS name or the IP address of a system, or a network address or an IP range, the second argument is... (1 Reply)
I have a shell script like this:
#!/bin/sh
$PYTHON MetarDecoder.py < ../data/mtrs/arg1/arg2
And I'm calling it with this in perl:
my $output = `./metar_parse.sh --options`;
It's successful when I put in actual values for arg1 and arg2 in the shell script, but I'd like to pass arguments... (1 Reply)
I want to write a C++ program that uses a class to do some calculations.
I pass arguments to the program, some of which are used to set up class members. A class function will then perform the necessary calculations.
I am wondering how I should pass the arguments from the program to set the... (2 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
1) The script is executed in the Korn shell.
2) Name the shell script file is asg6s.
3) The asg6s file is... (7 Replies)
Just for my leaning purpose, I appreciate if someone answer my question:
A UNIX script can accept 1 to n parameters. For each of these parameters, write out the parameter id number and its value. (1 Reply)
Discussion started by: shumail
1 Replies
LEARN ABOUT DEBIAN
shell-quote
SHELL-QUOTE(1p) User Contributed Perl Documentation SHELL-QUOTE(1p)NAME
shell-quote - quote arguments for safe use, unmodified in a shell command
SYNOPSIS
shell-quote [switch]... arg...
DESCRIPTION
shell-quote lets you pass arbitrary strings through the shell so that they won't be changed by the shell. This lets you process commands
or files with embedded white space or shell globbing characters safely. Here are a few examples.
EXAMPLES
ssh preserving args
When running a remote command with ssh, ssh doesn't preserve the separate arguments it receives. It just joins them with spaces and
passes them to "$SHELL -c". This doesn't work as intended:
ssh host touch 'hi there' # fails
It creates 2 files, hi and there. Instead, do this:
cmd=`shell-quote touch 'hi there'`
ssh host "$cmd"
This gives you just 1 file, hi there.
process find output
It's not ordinarily possible to process an arbitrary list of files output by find with a shell script. Anything you put in $IFS to
split up the output could legitimately be in a file's name. Here's how you can do it using shell-quote:
eval set -- `find -type f -print0 | xargs -0 shell-quote --`
debug shell scripts
shell-quote is better than echo for debugging shell scripts.
debug() {
[ -z "$debug" ] || shell-quote "debug:" "$@"
}
With echo you can't tell the difference between "debug 'foo bar'" and "debug foo bar", but with shell-quote you can.
save a command for later
shell-quote can be used to build up a shell command to run later. Say you want the user to be able to give you switches for a command
you're going to run. If you don't want the switches to be re-evaluated by the shell (which is usually a good idea, else there are
things the user can't pass through), you can do something like this:
user_switches=
while [ $# != 0 ]
do
case x$1 in
x--pass-through)
[ $# -gt 1 ] || die "need an argument for $1"
user_switches="$user_switches "`shell-quote -- "$2"`
shift;;
# process other switches
esac
shift
done
# later
eval "shell-quote some-command $user_switches my args"
OPTIONS --debug
Turn debugging on.
--help
Show the usage message and die.
--version
Show the version number and exit.
AVAILABILITY
The code is licensed under the GNU GPL. Check http://www.argon.org/~roderick/ or CPAN for updated versions.
AUTHOR
Roderick Schertler <roderick@argon.org>
perl v5.8.4 2005-05-03 SHELL-QUOTE(1p)