mirror of
https://git.code.sf.net/p/seeddms/code
synced 2024-11-26 15:32:13 +00:00
134 lines
4.1 KiB
Plaintext
134 lines
4.1 KiB
Plaintext
Conversion to text for fulltext search
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=======================================
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text/plain
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text/csv
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application/csv
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cat '%s'
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application/pdf
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pdftotext -nopgbrk %s - | sed -e 's/ [a-zA-Z0-9.]\{1\} / /g' -e 's/[0-9.]//g'
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If pdftotext takes too long on large document you may want to pass parameter
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-l to specify the last page to be converted
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mutool draw -F txt -q -N -o - %s
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application/vnd.openxmlformats-officedocument.wordprocessingml.document
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docx2txt '%s' -
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application/msword
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catdoc %s
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application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
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xlsx2csv -d tab %s
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application/vnd.ms-excel
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xls2csv -d tab %s
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text/html
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html2text %s
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Many office formats
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unoconv -d document -f txt --stdout '%s'
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Apache Tika is another option for creating plain text from various document
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types. Just use curl to send the document to your tika server and get the
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plain text in return.
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curl -s -T '%s' http://localhost:9998/tika --header 'Accept: text/plain'
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Conversion to pdf for pdf preview
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==================================
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text/plain
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text/csv
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application/csv
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application/vnd.oasis.opendocument.text
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application/msword
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application/vnd.wordperfect
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text/rtf
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unoconv -d document -f pdf --stdout -v '%f' > '%o'
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image/png
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image/jpg
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image/jpeg
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convert -density 300 '%f' 'pdf:%o'
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application/vnd.ms-powerpoint
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application/vnd.openxmlformats-officedocument.presentationml.presentation
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application/vnd.oasis.opendocument.presentation
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unoconv -d presentation -f pdf --stdout -v '%f' > '%o'
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application/vnd.ms-excel
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application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
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application/vnd.oasis.opendocument.spreadsheet
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unoconv -d spreadsheet -f pdf --stdout -v '%f' > '%o'
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message/rfc822
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java -jar emailconverter-2.5.3-all.jar '%f' -o '%o'
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The emailconverter can be obtained from https://github.com/nickrussler/email-to-pdf-converter
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It requires wkhtmltopdf which is part of debian.
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Conversion to png for preview images
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=====================================
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If you have problems running convert on PDF documents then read this page
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https://askubuntu.com/questions/1081895/trouble-with-batch-conversion-of-png-to-pdf-using-convert
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It basically instructs you to comment out the line
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<policy domain="coder" rights="none" pattern="PDF" />
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in /etc/ImageMagick-6/policy.xml
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convert determines the format of the converted image from the extension of
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the output filename. SeedDMS usually sets a propper extension when running
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the command, but nevertheless it is good practice to explicitly set the output
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format by prefixing the output filename with 'png:'. This is of course always
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needed if the output goes to stdout.
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image/jpg
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image/jpeg
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image/png
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convert -resize %wx '%f' 'png:%o'
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text/plain
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convert -density 100 -resize %wx 'text:%f[0]' 'png:%o'
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application/pdf
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gs -dBATCH -dNOPAUSE -sDEVICE=png16m -dPDFFitPage -r72x72 -sOutputFile=- -dFirstPage=1 -dLastPage=1 -q '%f' | convert -resize %wx png:- '%o'
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convert -density 100 -resize %wx '%f[0]' 'png:%o'
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mutool draw -F png -w %w -q -N -o %o %f 1
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application/postscript
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convert -density 100 -resize %wx '%f[0]' 'png:%o'
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text/plain
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a2ps -1 -a1 -R -B -o - '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=png16m -dFirstPage=1 -dLastPage=1 -dPDFFitPage -r72x72 -sOutputFile=- -q - | convert -resize %wx png:- 'png:%o'
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On Linux systems you will have to set the desired value in /etc/papersize for a2ps
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e.g. a4, or letter
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application/msword
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application/vnd.oasis.opendocument.spreadsheet
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application/vnd.oasis.opendocument.text
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application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
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application/vnd.ms-excel
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application/vnd.openxmlformats-officedocument.wordprocessingml.document
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text/rtf
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application/vnd.ms-powerpoint
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text/csv
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application/csv
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application/vnd.wordperfect
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unoconv -d document -e PageRange=1 -f pdf --stdout -v '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dPDFFitPage -r72x72 -sOutputFile=- -dFirstPage=1 -dLastPage=1 -q - | convert -resize %wx png:- 'png:%o'
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video/webm
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video/mp4
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This will take 12th frame of a video and converts into a png. It requires
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ffmpeg to be installed.
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convert -resize %wx '%f[12]' 'png:%o'
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