Hi David:
On Thu, Aug 5, 2010 at 10:44 AM, David <
david@damnetwork.net> wrote:
>
> I'm having a problem with perl *and* sed with a particular replace line.
> The lines I'm trying to search for, and replace, both have "/" characters,
> which is completely killing me.
>
> line="password requisite /lib/security/$ISA/pam_cracklib.so retry=3"
> newline="password required /lib/security/$ISA/pam_cracklib.so minlen=8
> dcredit=-1 ucredit=-1 lcredit=0 minclass=3 retry=3"
>
Escape any special regexp characters with \
line="password requisite \/lib\/security\/$ISA\/pam_
>
> cracklib.so retry=3"
> newline="
password requisite \/lib\/security\/$ISA\/pam_
>
> cracklib.so retry=3
See the following guide reference:
http://www.anaesthetist.com/mnm/perl/Findex.htm
I need to maintain whitespace, too.
>
perl -pi.bak -e 's/password requisite \/lib\/security\/$ISA\/pam_cracklib.so
retry=3/password requisite \/lib\/security\/$ISA\/pam_cracklib.so
retry=3/g' file
>
> You might just type out the value of $ISA also -- it's a "special
character" also (I would).
> That tosses out all kinds of errors, since perl believes the first "/lib"
> line to be the next delimiter. Even using the magical \Q and \E things
> doesn't work. AARRGGHH!!!
>
> Sed seems to have the same problem. Anyone have any ideas on how I can
> get this to work? And yes, unfortunately, I need to use the variables.
>
>
So, I know this was not the type of perl "quote" help you wanted....but it's
worth noting:
http://xkcd.com/208/
> Thanks,
> David
>
<>time
> --
> "I find your lack of faith disturbing."
> --Darth Vader
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