On Mon, 14 Jul 2003, D J Hawkey Jr wrote:
I'm getting really frustrated by a seemingly simple problem. I'm doing
this under FreeBSD 4.5.
Given these portions of an e-mail's multi-line Received header as tests:
by some.host.at.a.com (Postfix) with ESMTP id 3A4E07B03
by some.host.at.a.com
First off, thanks to all of you who scratched their heads over this
puzzle. All had the right idea to some extent or another.
Based in part on the replies, and my own work, here's the final result:
FOLDER=$HOME/Mail/spam
NAME_RE=[[:alnum:]_.-]+
ADDY_RE=([0-9]{1,3}\.){3}[0-9]{1,3}
Hi all.
I'm getting really frustrated by a seemingly simple problem. I'm doing
this under FreeBSD 4.5.
Given these portions of an e-mail's multi-line Received header as tests:
by some.host.at.a.com (Postfix) with ESMTP id 3A4E07B03
by some.host.at.a.com (8.11.6) ESMTP;
by
]
Subject: Attn: sed(1) regular expression gurus
Hi all.
I'm getting really frustrated by a seemingly simple problem. I'm doing
this under FreeBSD 4.5.
Given these portions of an e-mail's multi-line Received header as
tests:
by some.host.at.a.com (Postfix) with ESMTP id 3A4E07B03
On Jul 15, at 12:49 AM, Rob wrote:
awk --posix -F'[^0-9A-Za-z.]+' '
$1 ~ /by/ { result = $2
for (i=3; i=NF; i++) {
if ($i ~ /^([0-9]+\.){3}[0-9]+$/) {
result = result $i
}
}
print result
}'
There may be 'neater' ways of doing it, but it's the most
On Jul 14, at 11:04 AM, D J Hawkey Jr wrote:
On Jul 15, at 12:49 AM, Rob wrote:
awk --posix -F'[^0-9A-Za-z.]+' '
$1 ~ /by/ { result = $2
for (i=3; i=NF; i++) {
if ($i ~ /^([0-9]+\.){3}[0-9]+$/) {
result = result $i
}
}
print result
}'
Dave wrote:
This is better than anything I've dreamed up with sed or awk, and
is really close, but it fails on this:
by nospam.mc.mpls.visi.com (8.11.6/8.11.6.2) with ESMTP id
3A4E07B03
I know you want to avoid perl, but this kind of problem is it's
sweet spot. The following might be
^^^^^^^ ^
where the hostnames (or IPs) are separated by multiple characters. As
you've discovered, this isn't necessarily the best approach
- Original Message -
From: D J Hawkey Jr [EMAIL PROTECTED]
Subject: Re: sed(1) regular expression gurus
On Jul
