awk to get text between 2 strings Post: 302827181

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Top Forums Shell Programming and Scripting awk to get text between 2 strings Post 302827181 by Don Cragun on Friday 28th of June 2013 04:13:43 AM

06-28-2013

Registered User

Your message is inconsistent and not clear.

The title of this thread says you're using awk, but your original post contained a perl script; not an awk script.

You gave us a six line example of text that you seem to want to be copied directly with no examples of lines that should be skipped.

You say sed isn't working, but you haven't shown us any sed code nor any sed error messages.

It isn't clear from your description whether you want to start copying input lines to output for any line starting with Type of msg: and continuing through any line that starts with AWXX or if you only want to copy lines that exactly match:

Code:

Type of msg:          -in_full [+]

through lines that exactly match:

Code:

AWXX-Ready to commit (98) msg type: (10)

but your awk script wasn't working because - and + are special characters in extended regular expressions in addition to the [ and ( that you had already escaped.

With the trivial example you gave us, the following awk scripts both seem to do what you want. Hopefully, one of them will enable you to create an awk script that will work with your actual input files.

matching line starts:

Code:

awk '/^Type of msg:/ {p = 1}
p
/^AWXX/ {p = 0}' test6

matching exact lines:

Code:

awk '$0 == "Type of msg:          -in_full [+]" {p = 1}
p
$0 == "AWXX-Ready to commit (98) msg type: (10)" {p = 0}' test6

If you are using a Solaris/SunOS system, use /usr/xpg4/bin/awk, /usr/xpg6/bin/awk, or /bin/nawk instead of /bin/awk.

Don Cragun

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imager::qrcode

Imager::QRCode(3pm)					User Contributed Perl Documentation				       Imager::QRCode(3pm)

NAME

       Imager::QRCode - Generate QR Code with Imager using libqrencode

SYNOPSIS

	   use Imager::QRCode;

	   my $qrcode = Imager::QRCode->new(
	       size	     => 2,
	       margin	     => 2,
	       version	     => 1,
	       level	     => 'M',
	       casesensitive => 1,
	       lightcolor    => Imager::Color->new(255, 255, 255),
	       darkcolor     => Imager::Color->new(0, 0, 0),
	   );
	   my $img = $qrcode->plot("blah blah");
	   $img->write(file => "qrcode.gif");

	   # or instance method
	   use Imager::QRCode qw(plot_qrcode);

	   my $img = plot_qrcode("blah blah", \%params);
	   $img->write(file => "qrcode.gif");

DESCRIPTION

       This module allows you to generate QR Code with Imager. This module use libqrencode '2.0.0' and above.

METHODS

       new
	       $qrcode = Imager::QRCode->new(%params);

	   The "new()" constructor method instantiates a new Imager::QRCode object. "new()" accepts the following parameters.

	   o   "size" - Horizontal and vertical size of module(dot). Default is 4.

	   o   "margin" - Margin size of QR Code. Default is 3.

	   o   "level" - Error collectin level. Valid values are 'M', 'L', 'Q' or 'H'. Default is 'L'.

	   o   "version" - Version of the symbol. If specify '0', this module chooses the minimum version for the input data. Default is '0'.

	   o   "mode" - Encoding mode. Valid values are 'numerical', 'alpha-numerical', '8-bit' or 'kanji'. Default is '8-bit'.

	       If not give "casesensitive" then should be given "mode". If 'kanji' is given, characters will be encoded as Shift-JIS characters.
	       If '8-bit' is given, all of non-alpha-numerical characters will be encoded as is. If you want to embed UTF-8 string, choose
	       '8-bit'.

	   o   "casesensitive" - If your application is case-sensitive using 8-bit characters, set to '1'. Default is '0'.

       plot($text)
	       $img = $qrcode->plot("blah blah");

	   Create a new QR Code image. This method returns Imager object ploted QR Code with the given text.

INSTANT METHODS

       plot_qrcode($text, \%params)
	   Instant method. $text is input text. %params is same parameter as "new()".

SEE ALSO

       "Imager", "http://www.qrcode.com/", "http://megaui.net/fukuchi/works/qrencode/index.en.html"

AUTHOR

       Yoshiki KURIHARA  "<kurihara __at__ cpan.org>"

THANKS

       Tokuhiro Matsuno

LICENCE AND COPYRIGHT

       Copyright (c) 2011, Yoshiki KURIHARA "<kurihara __at__ cpan.org>".

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.

perl v5.14.2							    2012-12-16						       Imager::QRCode(3pm)

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imager::qrcode