On Fri, Apr 04, 2008 at 01:07:10AM -0700, Parvinder Bhasin wrote:
> I am writing up a script to automatically increment the serial number of
> bind dns zone file , but I am running across issues doing in place
> substitution with either sed or even perl for that matter. I can do
> this easily in Linux but am having hard time doing so in openbsd. I
> would like to search for the serial number , increment by one and then
> save the file.
>
> Any help...highly appreciated.
>
> Thx.
>
> Here is my code snippet:
>
> #!/bin/sh
>
> for file in $(ls /var/named/master/*.file);
> do
> if [ -f $file ];
> then
> OLD=`grep serial $file | awk '{print $1}'`
> echo $OLD
> NEW=$(($OLD + 1))
> echo $NEW
> *perl -p -i -e 's/$OLD/$NEW/' $file <--------------tried using
Works for me. Try just the perl -pi -e 's/foo/bar/' testfile.txt
on its own first. You might have a problem with the
substitution pattern. Check the timestamps of
the target file before and after. It should work.
What is the * doing before perl?
> perl but still the file didn't change with the incremented serial number
> sed 's/$OLD/$NEW/' $file <-----------------I know this will only
sed can not do it. perl can.
> search and replace but how do I do in in-place so that the file itself
> is modified.*
> fi
> done
--
/ Raimo Niskanen, Erlang/OTP, Ericsson AB
