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Full Discussion: awk remove line feed
Top Forums Shell Programming and Scripting awk remove line feed Post 302534945 by aigles on Wednesday 29th of June 2011 08:06:08 AM
Old 06-29-2011
Quote:
Originally Posted by scottn
Code:
$ awk '{printf} !NR%3{print ""}' file
1,2,3,
4,5,6,

Using printf without any argument is dangerous.
If $0 contains format sequence like %s or %d, awk will failed.
An example:
Code:
$ cat in.txt
aaa
bbb
__ %s __
ddd
$ awk '{printf; print "."}' in.txt
aaa.
bbb.
awk: not enough arguments in printf(__ %s __) or sprintf(__ %s __)
 record number 3
$

Allways specify an argument to printf.
Replace :
Code:
printf ;

with
Code:
printf "";

Jean-Pierre.
 

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LEARN ABOUT DEBIAN

mojomojo::formatter::rss

MojoMojo::Formatter::RSS(3pm)				User Contributed Perl Documentation			     MojoMojo::Formatter::RSS(3pm)

   module_loaded
       Return true if the module is loaded.

NAME

       MojoMojo::Formatter::RSS - Include RSS feeds on your page.

DESCRIPTION

       This formatter takes a feed in the format {{feed <url>}}, and passes it through XML::Feed to get a formatted feed suitable for inclusion in
       your page. It also caches them in the chosen Catalyst cache. By default it will render the first element in the feed, but it can take a
       numeric parameter to choose number of elements.

METHODS

   format_content_order
       Format order can be 1-99. The RSS formatter runs on 6, after the Include), so that transcluding a page from the wiki that brings in a feed,
       will display the feed in the transcluded section as well.

   format_content
       Calls the formatter. Takes a ref to the content as well as the context object.

   include_rss <c> <url> [<entries>]
       Returns HTML-formatted feed content for inclusion, up to a specified number of entries. Will store a cached version in "$c->cache".

SEE ALSO

       MojoMojo, Module::Pluggable::Ordered, XML::Feed, URI::Fetch

AUTHORS

       Marcus Ramberg <mramberg@cpan.org>

LICENSE

       This library is free software. You can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.14.2							    2010-05-23					     MojoMojo::Formatter::RSS(3pm)
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