01-13-2009
(Delete this, I was too late)
10 More Discussions You Might Find Interesting
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When I create filesystems in AIX i often get confused(using smit)
When you specify size in aix, it is asked like this
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I never seem to grasp this, what is the equation to get say
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2. UNIX for Dummies Questions & Answers
Hello,
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read name
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5. Shell Programming and Scripting
Hi - I have seen some similar posts but I am a bit stumped here
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I have a file that ends with a ctlU:
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So i have been asked to write a script for a friend who has a server running solaris 11. My problem is the correct syntax i can't seem to get it work with the follow code, i have read through the date man page and found no work around
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I have a set of values separated by a tab
ch:12 1 3 4
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10. Shell Programming and Scripting
I have Excel file with the below three columns, i need your expertise in converting this to .csv file delimiter "|"
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Serial Number Serial Name Serial Brand
111 test sample
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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)