From: mhw@minster.york.ac.uk (Mark H. Wilkinson)
To: sam-fans@hawkwind.utcs.toronto.edu (sam mailing list)
Subject: mailbox commands
Date: Fri, 21 Apr 1995 15:00:33 -0400 [thread overview]
Message-ID: <swordfish.798488168@minster.york.ac.uk> (raw)
While we're on the subject of mail, here's a command I use fairly regularly
to strip the Received: lines out of mail headers. Obviously you can apply
it to all your mailing list archives using the X command, hence freeing
up lots of disk space.
,y/^[ ]*\n/g/^From .*\n(^[a-zA-Z\-]+:.*\n(( | ).*\n)*)+/x/^Received: .*\n(( | ).*\n)*/d
or in other words,
, # select the whole file
y/^[ ]*\n/ # loop over the bits between all the blank lines
g/^From .*\n(^[a-zA-Z\-]+:.*\n(( | ).*\n)*)+/
# ensure the current bit matches this regexp which
# describes a mail header (I think!)
x/^Received: .*\n(( | ).*\n)*/
# loop over Received: header lines, handling continuation
# to subsequent lines
d
# delete
-Mark.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Mark H. Wilkinson <mhw@minster.york.ac.uk> : Research student in user
University of York, England : interface management systems
reply other threads:[~1995-04-21 18:16 UTC|newest]
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