Replace two blank line with a single blank line Post: 302353086

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Folks, I am wondering if anyone solve this problem. What I want to know is, 1. Delete all white spaces including leading blank space in each line (e.g. line 2), and replace such spaces by single tab except leading blank space 2. Then, align all columns to the right. But, output white space...

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LEARN ABOUT DEBIAN

pmksyntax

PMKSYNTAX(5)						      BSD File Formats Manual						      PMKSYNTAX(5)

NAME

     PMK Syntax -- PMK files syntax manual

DESCRIPTION

     This manual page describe the basic syntax used in PMK files such as pmkfile and scanfile

DATA TYPES

     PMK uses pseudo types like the following:

     bool	 The classical boolean type with TRUE and FALSE values.

		 For example:

		       TRUE
		       FALSE

     identifier  An identifier is a string of alphanumerical and underscores characters.

		 For example:

		       REQUIRED
		       a_label
		       underscores_are_nice

     quoted	 This means quoted string which can contain a set of characters delimited by quotation marks.

		 For examples:

		       "simple quoted string"
		       "string that contain "quotes" backslashed"
		       "can also contain filenames like pmkfile.scan"

     list	 It is one or more of the previous types between brackets.  Multiple objects are separated with a comma.  Blanks are currently not
		 allowed beside commas, this means that you can find them only in a quoted string of the list.

		 For example:

		       ("only_one_string")
		       ("added a boolean",TRUE)
		       (mixed_list_of,"words","and",TRUE,"quoted strings")

BASIC SYNTAX

     PMK can contain comments, blank lines and commands.

     A command has the following format (? character means optional field):

	   <command><?(label)> {
		   <body>
	   }

     The command and label names can be assimilated to the 'word' type.  See DATA TYPES above.

     The body can contain comment(s) and definition line(s).  A commented line start with a '#' character like the following:

	   # this is a comment line

     A definition line has the following format:

	   <?blank><key name><?blank>=<?blank><key value>

     The key name is of identifier type.

     The key value type can be 'bool', 'quoted' or 'list'.  The right type will depend on the key name (see further).

     For example:

	   CHECK_INCLUDE(header_sys_param) {
		   # following options use different uses of blank characters
		   # key value is word type
		   REQUIRED = TRUE
		   # key value is list type
		   DEPEND= ("dep_one",dep_two,"dep_three")
		   # key value is quoted type
		   INCLUDE = "sys/param.h"
	   }

SEE ALSO

     pmkfile(5), scanfile(5)

BSD
								 November 5, 2005							       BSD

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Replace blank spaces by single tab, and right alignment

Discussion started by: Jae

2. Shell Programming and Scripting

sed: delete regex line and next line if blank

Discussion started by: one71

3. Shell Programming and Scripting

how to replace a line in file with blank line

Discussion started by: tarunn.dubeyy

4. Shell Programming and Scripting

deleting blank line and row containing certain words in single sed command

Discussion started by: aemunathan