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Full Discussion: insert blank line between lines
Top Forums Shell Programming and Scripting insert blank line between lines Post 302511876 by kurumi on Thursday 7th of April 2011 08:40:14 PM
Old 04-07-2011
Code:
$ ruby -ne ' print ( $_.size<80 && /\.$/ )? $_+"\n": $_' file

 

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LEARN ABOUT DEBIAN

erubis

ERUBIS(1)							   User Commands							 ERUBIS(1)

NAME

       erubis - eRuby style template engine for multiple languages

SYNOPSIS

       erubis [..options..] [file ...]

DESCRIPTION

       Embedded  templating  engine  for multiple languages.  Erubis will take a template file as input and output code to convey that data in the
       language specified.  The following output languages are supported:

	       * Ruby
	       * PHP
	       * C
	       * Java
	       * Scheme
	       * Perl
	       * JavaScript

OPTIONS

       -h, --help
	      help

       -v     version

       -x     show converted code

       -X     show converted code, only ruby code and no text part

       -N     numbering: add line numbers	     (for '-x/-X')

       -U     unique: compress empty lines to a line (for '-x/-X')

       -C     compact: remove empty lines	     (for '-x/-X')

       -b     body only: no preamble nor postamble   (for '-x/-X')

       -z     syntax checking

       -e     escape (equal to '--E Escape')

       -p pattern
	      embedded pattern (default '<% %>')

       -l lang
	      convert but no execute (ruby/php/c/java/scheme/perl/js)

       -E e1,e2,...
	      enhancer names (Escape, PercentLine, BiPattern, ...)

       -I path
	      library include path

       -K kanji
	      kanji code (euc/sjis/utf8) (default none)

       -c context
	      context data string (yaml inline style or ruby code)

       -f datafile
	      context data file ('*.yaml', '*.yml', or '*.rb')

       -T     don't expand tab characters in YAML file

       -S     convert mapping key from string to symbol in YAML file

       -B     invoke 'result(binding)' instead of 'evaluate(context)'

       --pi=name
	      parse '<?name ... ?>' instead of '<% ... %>'

   supported properties:
	      * (common)

       --escapefunc=nil
	      : escape function name

       --pattern="<% %>"
	      : embed pattern

       --trim=true
	      : trim spaces around <% ... %>

       --preamble=nil
	      : preamble (no preamble when false)

       --postamble=nil
	      : postamble (no postamble when false)

       --escape=nil
	      : escape expression or not in default

	      * (basic) * (pi)

       --pi="rb"
	      : PI (Processing Instrunctions) name

       --embchar="@"
	      : char for embedded expression pattern('@{...}@')

	      * ruby * php * c

       --indent=""
	      : indent spaces (ex. '  ')

       --out="stdout"
	      : output file pointer name

	      * java

       --indent=""
	      : indent spaces (ex. '  ')

       --buf="_buf"
	      : output buffer name

       --bufclass="StringBuffer" : output buffer class (ex. 'StringBuilder')

	      * scheme

       --func="_add"
	      : function name (ex. 'display')

	      * perl

       --func="print"
	      : function name

	      * javascript

       --docwrite=true
	      : use 'document.write()' when true

EXAMPLES

       Run 'erubis -l php example.ephp' to convert the embedded document to php code.

       example.ephp:
	<?xml version="1.0"?>
	<html>
	 <body>
	  <p>Hello <%= $user %>!</p>
	  <table>
	   <tbody>
	    <% $i = 0; %>
	    <% foreach ($list as $item) { %>
	    <%	 $i++; %>
	    <tr bgcolor="<%= $i % 2 == 0 ? '#FFCCCC' : '#CCCCFF' %>">
	     <td><%= $i %></td>
	     <td><%== $item %></td>
	    </tr>
	    <% } %>
	   </tbody>
	  </table>
	 </body>
	</html>

SEE ALSO

       http://rubyforge.org/projects/erubis/

erubis 2.6.2							   January 2009 							 ERUBIS(1)
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