UTF8 Trick

From: Mike Harrison 
------------------------------------------------------

I've been doing this for a few months now, watching it run, and I've been 
amazed by the accuracy of this trick. The people I normally would want to talk to on 
this address, don't send mail with UTF8 characters. I run this before 
pulling up pine via shell to read my mail.

A simple shell in my user directory:

grep --color='auto' -P -n "[\x80-\xFF]" Maildir/cur/*
grep  -P "[\x80-\xFF]" Maildir/cur/* >bad
perl ./nukebad.pl

Nukebad is simple:

#!/usr/bin/perl
open(IN,"bad") ; 
while(){
  $filename = substr($

=============================================================== From: James Nylen ------------------------------------------------------ Oops, take out the echo in that last command. I'll quit replying now :)

=============================================================== From: James Nylen ------------------------------------------------------ VVRGLTggZW5jb2RlZCBzYW1wbGUgcGxhaW4tdGV4dCBmaWxlDQrigL7igL7igL7igL7igL7igL7i gL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL7i gL7igL7igL7igL7igL7igL7igL7igL7igL7igL7igL4NCg0KTWFya3VzIEt1aG4gW8uIbWHKs2vK inMga3XLkG5dIDxodHRwOi8vd3d3LmNsLmNhbS5hYy51ay9+bWdrMjUvPiDigJQgMjAwMi0wNy0y NQ0KDQoNClRoZSBBU0NJSSBjb21wYXRpYmxlIFVURi04IGVuY29kaW5nIHVzZWQgaW4gdGhpcyBw bGFpbi10ZXh0IGZpbGUNCmlzIGRlZmluZWQgaW4gVW5pY29kZSwgSVNPIDEwNjQ2LTEsIGFuZCBS RkMgMjI3OS4NCg0KDQpVc2luZyBVbmljb2RlL1VURi04LCB5b3UgY2FuIHdyaXRlIGluIGVtYWls cyBhbmQgc291cmNlIGNvZGUgdGhpbmdzIHN1Y2ggYXMNCg0KTWF0aGVtYXRpY3MgYW5kIHNjaWVu Y2VzOg0KDQogIOKIriBF4ouFZGEgPSBRLCAgbiDihpIg4oieLCDiiJEgZihpKSA9IOKIjyBnKGkp DQoNCiAg4oiAeOKIiOKEnTog4oyIeOKMiSA9IOKIkuKMiuKIknjijIssIM6xIOKIpyDCrM6yID0g wqwowqzOsSDiiKggzrIpDQoNCiAg4oSVIOKKhiDihJXigoAg4oqCIOKEpCDiioIg4oSaIOKKgiDi 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=============================================================== From: James Nylen ------------------------------------------------------ You could simplify that a little: grep --color='auto' -P -n "[\x80-\xFF]" Maildir/cur/* grep -P -l -Z "[\x80-\xFF]" Maildir/cur/* | xargs -0 echo rm

=============================================================== From: Mike Harrison ------------------------------------------------------ I seem to forget about xargs, Thanks.