# [EMAIL PROTECTED] / 2003-01-04 14:02:46 +1030:
> On Thursday, 2 January 2003 at 16:53:05 +0100, Roman Neuhauser wrote:
> > plus, you stuff the output in $myfile, and get the input from it as
> > well. How's that supposed to work? :)
>
> Heh. You're looking at this section, no doubt:
>
> cat > $myfile
> server=`egrep -i < $myfile "In: [HE][HE]LO"|sed 's/^.*LO *//' `
> if [ "$server" = "" ]; then
> server=`egrep -i < $myfile "^Subject.*errors from "|sed 's/^Subject.*errors from
>//; s:\[.*::g' `
> fi
>
> Confusing, isn't it? The thing is, this program is a filter. The
> first line copies stdin to $myfile for future (multiple) readings. If
> it weren't a filter, the cat command would still read from stdin, so
> if it were a terminal, it would just appear to hang.
Ok, so you pipe the Postfix-generated message into B which slurps it
into $myfile and that is where you access it... I'm just a luser, so
excuse me if this is nonsense, but do you do that because stdin is
not seekable?
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