> On Wed, 2008-06-04 at 23:59 +0200, Diego Liziero wrote:
> As the extra linefeed is between Content-Length and Subject headers,
> I'm thinking about using a regexp based replace such as
> s/(Content-Length: [0-9]+)\n\n(Subject: )/$1\n$2/s
> but I can't find how to make multiple lines matching work.
>
> Any suggestion?
Thank you everyone for your help.
After some quick tries, and following your suggestions, I ended up in
writing a silly perl script that matched one by one each of the three
lines and printed only the first and third one.
On Thu, Jun 5, 2008 at 12:07 AM, Timo Sirainen <[EMAIL PROTECTED]> wrote:
>
> Perl maybe? Something like (not tested):
>
> perl -pe 'BEGIN { $/ = ""; } s/^(Content-Length: [0-9]+)\n\n(Subject:
> )/$1\n$2/g' < mbox > mbox2
>
> $/ changes the line separator.
Almost right. But this deletes all empty lines, not just the ones in
the header. I didn't try to have a deeper look.
On Thu, Jun 5, 2008 at 8:16 AM, <[EMAIL PROTECTED]> wrote:
> That would be the s modifier for a Perl regexp (treat string as a single
> line):
>
> $x =~ /.../s
This should be the right way.. see below.
On Thu, Jun 5, 2008 at 12:03 AM, Asheesh Laroia <[EMAIL PROTECTED]> wrote:
>Python has an re.MULTILINE option you can pass to the regular expression so
>that it can cross lines. Perhaps Perl >or your favorite regular expression
>toolkit has something similar?
Yes, but with perl I didn't find quickly a solution to read multiple
lines from a file without filling all system memory when files are
some gigabytes big.
Regards,
Diego.
