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# $Id: pickthis 1.11 1997/06/06 04:16:35 jpeek book4 $
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### pickthis - search messages (default: all) for one with same subject
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### Usage: pickthis [+search-folder|@search-folder] [msgs to search]
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## pickthis GRABS THE Subject: HEADER FIELD FROM THE CURRENT MESSAGE,
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## STRIPS OFF ANY Re:, RE:, ETC. FROM THE FRONT OF THE SUBJECT,
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## THEN SEARCHES FOR OTHER MESSAGES WITH THAT SUBJECT.
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## IT STORES THE LIST OF MESSAGES IN THE SEQUENCE NAMED picked
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## (SO YOU CAN USE THEM LATER); IT scanS THE SEQUENCE BEFORE IT QUITS.
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## BY DEFAULT, pickthis SEARCHES ALL MESSAGES IN THE CURRENT FOLDER.
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## WITH A LIST OF MESSAGES (EXAMPLE: pickthis cur:50), IT'LL SEARCH THOSE.
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## IF YOU NAME A FOLDER, IT'LL GET THE SUBJECT OF THE CURRENT MESSAGE
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## IN THE *CURRENT* FOLDER, THEN SEARCH FOR THAT MESSAGE IN THE NAMED
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## FOLDER. FOR EXAMPLE, IF THE CURRENT MESSAGE SUBJECT IS "bar baz",
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## YOU CAN CHECK FOR MESSAGES WITH THE SAME SUBJECT IN YOUR "old"
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## FOLDER BY TYPING pickthis +old -- IF THERE ARE MATCHES, pickthis
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## WILL CHANGE YOUR CURRENT FOLDER TO +old, ELSE IT STAYS THE SAME.
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## BUG: pick WILL FIND A MESSAGE SUBJECT *CONTAINING* THE SUBJECT YOU'RE
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## LOOKING FOR. FOR EXAMPLE, IF THE CURRENT MESSAGE SUBJECT IS "exmh",
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## pickthis WILL ALSO FIND MESSAGES WITH THE SUBJECT "xmh vs. exmh", ETC.
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## I DON'T KNOW HOW TO CHANGE THE WAY THAT pick WORKS. :-(
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# USE AT YOUR OWN RISK. SEEMS TO WORK, BUT IT'S YOUR RESPONSIBILITY!
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# PLEASE TELL ME ABOUT BUGS AND FIXES: Jerry Peek, jpeek@jpeek.com
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# BECAUSE THIS PROGRAM IS AVAILABLE FREE OF CHARGE, THERE IS NO WARRANTY
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# FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
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# OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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# PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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# OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
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# TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
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# PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
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# REPAIR OR CORRECTION.
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# IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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# WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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# REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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# INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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# OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
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# TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
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# YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
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# PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGES.
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myname="`basename $0`" # NAME OF THIS SCRIPT WITHOUT LEADING PATH
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# IF mhpath RETURNED ZERO STATUS AND THE START OF A PATHNAME, OK.
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*) echo "$myname quitting: can't get current message?" 1>&2
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# GET SUBJECT OF THIS MESSAGE WITHOUT ANY Re: ON FRONT.
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# scan SQUEEZES MULTIPLE SPACES TO ONE SPACE, SO WE CAN'T USE IT. :-(
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# THIS DOESN'T HANDLE MULTI-LINE SUBJECTS...
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# ESCAPE METACHARACTERS LIKE [, ], ETC. FOR pick:
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/^[Ss][Uu][Bb][Jj][Ee][Cc][Tt]:[ ]*/ {
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# IF sed RETURNED ZERO STATUS AND AT LEAST ONE CHARACTER IN $subj, OK.
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*) echo "$myname quitting: can't find subject of current message?" 1>&2
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# SEARCH FOR MESSAGE AND scan IF WE FOUND ANY. DEFAULT TO all MSGS IN FOLDER.
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# (THE WEIRD ${1+"$@"} GETS ANY ARGS AND WORKS AROUND A PROBLEM IN EARLY sh'S.)
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if pick -subject "$subj" ${1+"$@"} -seq picked
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# THIS exitS WITH scan'S EXIT STATUS:
added
removed
download/split/mh/bin/pickthis
