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Full Discussion: How to combining awk commands?
Top Forums Shell Programming and Scripting How to combining awk commands? Post 302772187 by RudiC on Sunday 24th of February 2013 05:05:43 AM
Old 02-24-2013
If I got your quite complex requirement correctly, translating your two awk commands in post #1, this might do the job in one go as requested:
Code:
awk     '/;;WORD/       {if (LINE) print LINE           # if LINE already filled (i.e. NOT the first occurrence)
                         LINE = $2}                     # on WORD occurrence start a new LINE
          /bw:/          {gsub (/.*bw:| .*$/, "")       # eliminate everything  before "bw:" and e.th. after first space (greedy regex)
                         gsub (/\/[^+]*(\+|$)/, "_+")   # process "/" and "+" terminated strings
                         gsub (/^\+|_\+ *$/, "")        # eliminate leading and trailing "+"s
                         LINE = LINE" "$0               # add to output LINE
                        }
         END            {print LINE}                    # print last line
        ' file
A*AbthA >a*Ab_+at_+hA <i*Ab_+at_+a_+hA <i*Ab_+at_+i_+hA <i*Ab_+at_+u_+hA
A$Abty >u$Ab_+atayo >u$Ab_+atayo >u$Ab_+at_+iy >u$Ab_+atayo_+ya >u$Ab_+atayo_+ya

 

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LEARN ABOUT SUSE

djvutoxml

DJVUXML(1)							DjVuLibre XML Tools							DJVUXML(1)

NAME

       djvutoxml, djvuxmlparser - DjVuLibre XML Tools.

SYNOPSIS

       djvutoxml [options] inputdjvufile [outputxmlfile]
       djvuxmlparser [inputxmlfile]

DESCRIPTION

       The  DjVuLibre  XML  Tools  provide for editing the metadata, hyperlinks and hidden text associated with DjVu files.  Unlike djvused(1) the
       DjVuLibre XML Tools rely on the XML technology and can take advantage of XML editors and verifiers.

DJVUTOXML

       Program djvutoxml creates a XML file outputxmlfile containing a reference to the original DjVu  document  inputdjvufile	as  well  as  tags
       describing the metadata, hyperlinks, and hidden text associated with the DjVu file.

       The following options are supported:

       --page pagenum
	      Select a page in a multi-page document.  Without this option, djvutoxml outputs the XML corresponding to all pages of the document.

       --with-text
	      Specifies the HIDDENTEXT element for each page should be included in the output.	If specified without the --with-anno flag then the
	      --without-anno is implied.  If none of the --with-text, --without-text, --with-anno, or --without-anno, flags  are  specified,  then
	      the --with-text and --with-anno flags are implied.

       --without-text
	      Specifies  not  to  output  the HIDDENTEXT element for each page.  If specified without the --without-anno flag then the --with-anno
	      flag is implied.

       --with-anno
	      Specifies the area MAP element for each page should be included in the output.  If specified without the --with-text flag  then  the
	      --without-text flag is implied.

       --without-anno
	      Specifies  the  area  MAP  element for each page should not be included in the output.  If specified without the --without-text flag
	      then the --with-text flag is implied.

DJVUXMLPARSER

       Files produced by djvutoxml can then be modified using either a text editor or a XML editor.  Program djvuxmlparser  parses  the  XML  file
       inputxmlfile and modifies the metadata of the DjVu files referenced by the OBJECT elements.

DJVUXML DOCUMENT TYPE DEFINITION

       The document type definition file (DTD)

	 /usr/share/djvu/pubtext/DjVuXML-s.dtd

       defines the input and output of the DjVu XML tools.

       The DjVuXML-s DTD is a simplification of the HTML DTD:

	 http://www.w3c.org/TR/1998/REC-html40-19980424/sgml/dtd.html

       with a few new attributes added specific to DjVu.  Each of the specified pages of a DjVu document are represented as OBJECT elements within
       the BODY element of the XML file.  Each OBJECT element may contain multiple PARAM elements to specify attributes like  page  name,  resolu-
       tion, and gamma factor.	Each OBJECT element may also contain one HIDDENTTEXT element to specify the hidden text (usually generated with an
       OCR engine) within the DjVu page.  In addition each OBJECT element may reference a single area MAP element  which  contains  multiple  AREA
       elements to represent all the hyperlink and highlight areas within the DjVu document.

   PARAM Elements
       Legal PARAM elements of a DjVu OBJECT include but are not limited to PAGE for specifying the page-name, GAMMA for specifying the gamma cor-
       rection factor (normally 2.2), and DPI for specifying the page resolution.

   HIDDENTEXT Elements
       The HIDDENTEXT elements consists of nested elements of PAGECOLUMNS, REGION, PARAGRAPH, LINE, and WORD.	The  most  deeply  nested  element
       specified,  should  specify  the  bounding  coordinates of the element in top-down orientation.	The body of the most deeply nested element
       should contain the text.  Most DjVu documents use either LINE or WORD as the lowest level element, but any element is legal as  the  lowest
       level element.  A white space is always added between WORD elements and a line feed is always added between LINE elements.  Since languages
       such as Japanese do not use spaces between words, it is quite common for Asian OCR engines to use WORD as characters instead.

   MAP Elements
       The body of the MAP elements consist of AREA elements.  In addition to the attributes listed in

	 http://www.w3.org/TR/1998/REC-html40-19980424/struct/objects.html#edef-AREA,

       the attributes bordertype, bordercolor, border, and highlight have been added to specify border type, border color, border width, and high-
       light  colors  respectively.   Legal  values for each of these attributes are listed in the DjVuXML-s DTD.  In addition, the shape oval has
       been added to the legal list of shapes.	An oval uses a rectangular bounding box.

BUGS

       Perhaps it would have been better to use CC2 style sheets with standard HTML elements instead of defining the HIDDENTEXT element.

CREDITS

       The DjVu XML tools and DTD were written by Bill C. Riemers <docbill@sourceforge.net> and Fred Crary.

SEE ALSO

       djvu(1), djvused(1), and utf8(7).

DjVuLibre XML Tools						    11/15/2002								DJVUXML(1)
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