03-31-2004
Hi Zazzybob, thanks for the help so far! Ok to elaborate more on what I am trying to do:
Well I'm trying to create a script that looks at parameters followed by a target that that specifies either a new main part of the file name or a new extension part but not both.
Rename File1 File2 File3 *.html
So File1 to File3 are params and *.html is is the target.
Then with my loop Im trying to check the validity of them eg less than 2 params, cant have 2 dots, more than one asterisk and doesnt exist.
Then If there are no errors the files are to be renamed in another loop.
But I'm really struggling with it and Its really beginning to get on my nerves as I dont know what Im doing wrong!
Any Suggestions on how I should do it would be fantastic.
By the way, Im doing this becuase I have loads of files that I want to change extensions on and I want to do it this way because I've been trying for ages.
Again many thanks.
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LEARN ABOUT MOJAVE
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)