Delete lines containing text with sed Post: 302082114

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How to delete lines using sed?

<VirtualHost 192.168.1.158:80> DocumentRoot /home/ten ServerName ten.com </VirtualHost> <VirtualHost 192.168.1.158:80> DocumentRoot /home/sachin ServerName sachin.com </VirtualHost> <VirtualHost 192.168.1.158:80> DocumentRoot /home/yuvraj ServerName yuvraj.com...

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Sed/awk to delete single lines that aren't touching other lines

Hello, I'm trying to figure out how to use sed or awk to delete single lines in a file. By single, I mean lines that are not touching any other lines (just one line with white space above and below). Example: one two three four five six seven eight I want it to look like:

LEARN ABOUT DEBIAN

hxextract

HXEXTRACT(1)							  HTML-XML-utils						      HXEXTRACT(1)

NAME

       hxextract - extract selected elements from a HTML or XML file

SYNOPSIS

       hxextract [ -h | -? ] [ -x ] [ -s text ] [ -e text ] [ -b base ] element-or-class [ -c configfile | file-or-URL ]

DESCRIPTION

       hxextract outputs all elements with a certain name and/or class.

       Input must be well-formed, since no HTML heuristics are applied.

OPTIONS

       The following options are supported:

       -x	 Use XML format conventions.

       -s text	 Insert text at the start of the output.

       -e text	 Insert text at the end of the output.

       -b base	 URL base

       -c configfile
		 Read  @chapter  lines	from  configfile  (lines  must be of the form "@chapter filename") and extract elements from each of those
		 files.

       -h, -?	 Print command usage.

OPERANDS

       The following operands are supported:

       element-or-class
		 The name of an element to extract (e.g., "H2"), or the name of a class preceded by "." (e.g., ".example")  or	a  combination	of
		 both (e.g., "H2.example").

       file-or-URL
		 A file name or a URL. To read from standard input, use "-".

ENVIRONMENT

       To use a proxy to retrieve remote files, set the environment variables http_proxy and ftp_proxy.  E.g., http_proxy="http://localhost:8080/"

BUGS

       Remote  files (specified with a URL) are currently only supported for HTTP. Password-protected files or files that depend on HTTP "cookies"
       are not handled. (You can use tools such as curl(1) or wget(1) to retrieve such files.)

SEE ALSO

       hxselect(1)

6.x								    10 Jul 2011 						      HXEXTRACT(1)

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Delete multiple lines w/ sed

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sed help - delete last 2 lines.

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delete blank lines with sed

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How to delete first 5 lines and last five lines in all text files

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