I want to create an automated script which is called by another maually executed script.
The condition is that the no one should be able to manually execute the automated script.
The automated script can be on the same machine or it can be on a remote machine.
Can any one suggest a check in the... (1 Reply)
Hi,
I need to check whether one file has EOF or not.
There's one daemon in our system, which will pick the files FTPed to us. However, sometimes the daemon picks the file before FTP is finished.
So I'm planning to add some checking of EOF on the FTPed files in the shell script.
Could... (8 Replies)
could you please find a solution for this
script that checks if any of a list of users given on the command line is logged in. For each user the script should say whether this user is logged in or not. The script prints an error message if no parameter is given. And ask the user to enter a name... (3 Replies)
hi guys ..newbie here i would like to create a simple script tat will detect wether the machine has IP or not ...
but it seems that my script doesnt really work it kept rebooting...
i set this script during boot so that it will check else it will reboot
it a shell script thou...
... (5 Replies)
I have a local linux machine in which the files are dumped by a remote ubuntu server. If the process in remote server has any problem then empty files are created in local machine. Is there any way using perl script to check if the empty files are being created and delete them and then run a shell... (2 Replies)
Hi Scripting Gurus,
Can someone help to transform the below logic into a shell script, might be easy for some of you.
I have a file with below text, I need if the line has the ":" and the above to it is not a blank line should print " <text>: is incorrect format"
Apple:
... (3 Replies)
hi guys
we've had nagios spewing false alarm (for the umpteenth time) and finally the customer had enough so they're starting to question nagios. we had the check interval increased from 5 minutes to 2 minutes, but that's just temporary solution. I'm thinking of implementing a script on the... (8 Replies)
Hi All, I am very new to this forum and Unix too...
I need to create a script which has to check for a file's occurrence in a specified location for 4 hours and send out a email when ever the file has arrived.
It should also have a timer to send the status message for every 15 minutes if the... (2 Replies)
Hi Experts,
I am not good in writing script. Just stared.I am looking for shell script to check following parameters.
1) Number of files on remote Linux SUSE server.- Any directory and sub directory.
2) I should define number of files in script. Files should be variable.
3) Age of... (2 Replies)
I'm required to write a simple shell script that when it runs it writes the output which is a simple barcode to a tmp flat file which I can do the bit I'm struggling with...
The next time it runs I need to check the tmp output file to see if that barcode is in the output file and if it is send... (5 Replies)
Discussion started by: worky
5 Replies
LEARN ABOUT REDHAT
escape
escape(1) Mail Avenger 0.8.3 escape(1)NAME
escape - escape shell special characters in a string
SYNOPSIS
escape string
DESCRIPTION
escape prepends a "" character to all shell special characters in string, making it safe to compose a shell command with the result.
EXAMPLES
The following is a contrived example showing how one can unintentionally end up executing the contents of a string:
$ var='; echo gotcha!'
$ eval echo hi $var
hi
gotcha!
$
Using escape, one can avoid executing the contents of $var:
$ eval echo hi `escape "$var"`
hi ; echo gotcha!
$
A less contrived example is passing arguments to Mail Avenger bodytest commands containing possibly unsafe environment variables. For
example, you might write a hypothetical reject_bcc script to reject mail not explicitly addressed to the recipient:
#!/bin/sh
formail -x to -x cc -x resent-to -x resent-cc
| fgrep "$1" > /dev/null
&& exit 0
echo "<$1>.. address does not accept blind carbon copies"
exit 100
To invoke this script, passing it the recipient address as an argument, you would need to put the following in your Mail Avenger rcpt
script:
bodytest reject_bcc `escape "$RECIPIENT"`
SEE ALSO avenger(1),
The Mail Avenger home page: <http://www.mailavenger.org/>.
BUGS
escape is designed for the Bourne shell, which is what Mail Avenger scripts use. escape might or might not work with other shells.
AUTHOR
David Mazieres
Mail Avenger 0.8.3 2012-04-05 escape(1)