/usr/share/doc/procmail/examples/3rmail is in procmail 3.22-25+deb9u1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | #!/bin/sh
#
# specify the mailbox file you want to read on the command line
# Use a relative path from your $HOME directory
#
# For this kind of chaotic procmailrc there is no uniform neat solution
# to determine which lockfiles to use. I'll give just one (suboptimal)
# solution here. Use your imagination to extend it :-).
#
MAILDIR=$HOME/Mail
cd $HOME # this means all paths are relative to $HOME
LOCKFILE=$HOME/.lockmail
LOCKFILE2=$HOME/Mail/whatever
if lockfile -! -r1 $LOCKFILE $LOCKFILE2
then
echo Mail is currently arriving, please wait...
while
lockfile -! -4 -r2 $LOCKFILE $LOCKFILE2
do
echo Mail is still arriving...
done
fi
trap "rm -f $LOCKFILE $LOCKFILE2;exit 0" 0 1 2 3 13 15
#
# Call your favourite mailer here.
#
/usr/ucb/mail -f $*
|