Problem in refreshing a text editor (gedit) for scanned pdf Post: 302974265

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Top Forums Shell Programming and Scripting Problem in refreshing a text editor (gedit) for scanned pdf Post 302974265 by anespa on Friday 27th of May 2016 05:08:19 AM

05-27-2016

Registered User

Problem in refreshing a text editor (gedit) for scanned pdf

Dear Friends,
I am using Ubuntu 15.10, 34 bit system. I added a Nautilus-Actions script in shell script to convert PDF files to text. There are 2 types of PDF

1. Scanned PDF -- Not OCR type -- When I convert it to text it work , but as the part it must (text file) open in gedit . But I can see a blank file
eventhough it came in real file...

2. For Normal PDF (searcable one) -- it works fine

I add my code for your reference ... please advise what I do to avoid this issue..

Code:

#!/bin/bash
cd $1
if [[ $2 = *.pdf ]]; then
  #echo pdf > "anes.txt"
  MYFONTS=$(pdffonts -l 5 "$3" | tail -n +3 | cut -d' ' -f1 | sort | uniq)
  if [ "$MYFONTS" = '' ] || [ "$MYFONTS" = '[none]' ]; then
    #Scanned PDF
    convert -density 300 "$3" "${3%.*}.tiff"
    tesseract "${3%.*}.tiff" "$3"
    sleep 2
    rm -f "${3%.*}.tiff"
    gedit "${3/%.*}.txt"
  else
    pdftotext "$3"
    gedit "${3/%.pdf/.txt}"
  fi
elif [[ $2 = *.tif ]] ||  [[ $2 = *.tiff ]] || [[ $2 = *.jpg ]] || [[ $2 = *.jpeg ]] || [[ $2 = *.png ]] || [[ $2 = *.gif ]]; then
   tesseract "$3" "${3%.*}"
   gedit "${3/%.*}.txt"
else
  # Not implemented case...
  #echo Nothing to do > "anes.txt"
fi

Waiting for your fast response

Thanks

Anes

anespa

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LEARN ABOUT DEBIAN

pdftotext

pdftotext(1)						      General Commands Manual						      pdftotext(1)

NAME

       pdftotext - Portable Document Format (PDF) to text converter (version 3.00)

SYNOPSIS

       pdftotext [options] [PDF-file [text-file]]

DESCRIPTION

       Pdftotext converts Portable Document Format (PDF) files to plain text.

       Pdftotext  reads  the PDF file, PDF-file, and writes a text file, text-file.  If text-file is not specified, pdftotext converts file.pdf to
       file.txt.  If text-file is '-', the text is sent to stdout.

OPTIONS

       -f number
	      Specifies the first page to convert.

       -l number
	      Specifies the last page to convert.

       -r number
	      Specifies the resolution, in DPI.  The default is 72 DPI.

       -x number
	      Specifies the x-coordinate of the crop area top left corner

       -y number
	      Specifies the y-coordinate of the crop area top left corner

       -W number
	      Specifies the width of crop area in pixels (default is 0)

       -H number
	      Specifies the height of crop area in pixels (default is 0)

       -layout
	      Maintain (as best as possible) the original physical layout of the text.	The default is to 'undo' physical layout (columns, hyphen-
	      ation, etc.) and output the text in reading order.

       -raw   Keep  the  text  in content stream order.  This is a hack which often "undoes" column formatting, etc.  Use of raw mode is no longer
	      recommended.

       -htmlmeta
	      Generate a simple HTML file, including the meta information.  This simply wraps the text in <pre> and </pre> and prepends  the  meta
	      headers.

       -bbox  Generate an XHTML file containing bounding box information for each word in the file.

       -enc encoding-name
	      Sets the encoding to use for text output. This defaults to "UTF-8".

       -listenc
	      Lits the available encodings

       -eol unix | dos | mac
	      Sets the end-of-line convention to use for text output.

       -nopgbrk
	      Don't insert page breaks (form feed characters) between pages.

       -opw password
	      Specify the owner password for the PDF file.  Providing this will bypass all security restrictions.

       -upw password
	      Specify the user password for the PDF file.

       -q     Don't print any messages or errors.

       -v     Print copyright and version information.

       -h     Print usage information.	(-help and --help are equivalent.)

BUGS

       Some  PDF  files  contain  fonts whose encodings have been mangled beyond recognition.  There is no way (short of OCR) to extract text from
       these files.

EXIT CODES

       The Xpdf tools use the following exit codes:

       0      No error.

       1      Error opening a PDF file.

       2      Error opening an output file.

       3      Error related to PDF permissions.

       99     Other error.

AUTHOR

       The pdftotext software and documentation are copyright 1996-2004 Glyph & Cog, LLC.  pdffonts(1), pdfimages(1),  pdfinfo(1),  pdftocairo(1),
       pdftohtml(1), pdftoppm(1), pdftops(1)

								  22 January 2004						      pdftotext(1)