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Change Hylafax E-mail norification format

Posted on 2006-05-15
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I need to change the format of the Hylafax E-mail notification for an inbound fax that is converted to an e-mail. I am converting the fax to a .pdf file.  I want to display the first page of the incoming fax in the e-mail notification alomg with the default information. I think this is controlled in Faxrcvd but I not see how to change it.
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Question by:ksbunger1
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Gabriel Orozco earned 1500 total points
ID: 16696430
I would add before the step where the tiff2ps process happends, the tiffsplit to a temporary location. then use the first page and delete all the others. then use a tool to convert from tiff to jpeg or the one you want (like http://freshmeat.net/projects/xnview+nviewnconvert/) and finally rename it to be something like 1stpage.gif (your extension).

when you reach the command to send the fax, you can modify to have both: 1stpage.jpg/gif/etc and the fax in pdf itself.

this is no easy but neither is too complex.

Regards

--------------------------------------------------------------------------------------------------------
TIFFSPLIT(1)                                                                                        TIFFSPLIT(1)

NAME
       tiffsplit - split a multi-image TIFF into single-image TIFF files

SYNOPSIS
       tiffsplit src.tif [ prefix ]

DESCRIPTION
       tiffsplit  takes  a multi-directory (page) TIFF file and creates one or more single-directory (page) TIFF
       files from it.  The output files are given names created by concatenating a prefix, a  lexically  ordered
       suffix  in the range [aaa-zzz], the suffix .tif (e.g.  xaaa.tif, xaab.tif, xzzz.tif).  If a prefix is not
       specified on the command line, the default prefix of x is used.
--------------------------------------------------------------------------------------------------------
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Author Comment

by:ksbunger1
ID: 16700833
I am very new at this awoudl ahve no ideaow to do this code ise do I need to provide the file so that youcudl give me a little more info please. ?
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Expert Comment

by:Gabriel Orozco
ID: 16701295
Hylafax can send attachments via email, being tiff or pdf

what you are asking is not supported by the package.

since Hylafax is mostly interpreted and shell scripts, I think it's easy to temper with it to make it do what you want, but it requires time and some knowledge.

what I told you before requires you to have some experience with linux. If you can't expend time on the learning curve, I would say it's better to say "Hylafax does not do that thing"...
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Author Comment

by:ksbunger1
ID: 16705614
I woudl prefer to do the learnng curve can you point me in the right direction for the shell scripts so I can understand then and i am sure I can do what you suggested first.
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Expert Comment

by:Gabriel Orozco
ID: 16705779
Let's see

you should already know Hylafax receives faxes and stores them as TIFF files. these are multi-page images.
since you send pdf files, this is how hylafax process the tiff file:
first step is convert them to postscript using a conversion program. result is a .ps file, using tiff2ps program
next step is convert the .ps to pdf using ps2pdf program.

you can extract the first page right before the tiff file is converted to postscript. it is not too dificult. you explode the tiff file using tiffsplit, and then you delete all pages but the first one. This leaves you with the original multipage tiif image and a tiff image containing just the first page.
 I think all the magic should be done at /var/spool/hylafax/bin/faxrcvd.

my approach would be to add a new FILETYPE value, with, say, "jpgpdf".
then add a function (or a binary) that extract the first page and convert it to jpg. In this step I think tiffsplit and an image processing program which accepts command line options like (I have not tested it) http://freshmeat.net/projects/xnview+nviewnconvert/. combining these two, you should be able to extract 1st. page and then convert to another format.

then copy the part dedicated to the "pdf" extension to another dedicated to the "jpgpdf" extension (the one we created)

it could be something like

         elif [ "$FILETYPE" = "jpgpdf" ]; then
            # jpg attachment
             echo "Content-Type: application/pdf; name=\"firstpage.jpg\""
             echo "Content-Description: JPG document"
             echo "Content-Transfer-Encoding: $ENCODING"
             echo "Content-Disposition: attachment; filename=\"firstpage.jpg\""
             echo ""
             convert1stpagetojjpg firstpage.jpg firstpage.tif
             encode firstpage.jpg
             $RM -f firstpage.jpg  2>$ERRORSTO

            # pdf attachment
             echo "Content-Type: application/pdf; name=\"$FILENAME.pdf\""
             echo "Content-Description: FAX document"
             echo "Content-Transfer-Encoding: $ENCODING"
             echo "Content-Disposition: attachment; filename=\"$FILENAME.pdf\""
             echo ""
             $TIFF2PDF -o $FILE.pdf $FILE
             encode $FILE.pdf
             $RM -f $FILE.pdf 2>$ERRORSTO
----------------------------------
Note the convert1stpagetojjpg function. you should create it using "encode" as a template
note the two attachments. first being the jpg image
note I'm reusing the same code as the pdf part
note I'm calling "firstpage.jpg" to the image of the first page.

I think it is all. I'm not doing the actual program, but am trying to orient you on how to do it. it's only the hack of one small bash script. hope it's clear enough for you.

Good Luck
Gabriel
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Author Comment

by:ksbunger1
ID: 16713778
Thaks I will be working on this tonight while the server isn't a traffic period.
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