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Full Discussion: extract part of text file
Top Forums Shell Programming and Scripting extract part of text file Post 302431678 by waxo on Tuesday 22nd of June 2010 01:27:13 PM
Old 06-22-2010
Quote:
Originally Posted by ripat
Something like this?
Code:
awk '/^Content-Type.+plain/{f=1;getline}/^--/{f=0}/^(Subject|From)/||f{print}' infile

Can someone explain me what exactly does this code ?

thanks

I think that, first searches the text between "Content-Type.+plain" and "--" prints it.
then searches de lines with the text Subject|From and puts in the top. (f=0) print in line 0 ??

is it ?

Last edited by waxo; 06-22-2010 at 04:04 PM..
 

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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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