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Top Forums Shell Programming and Scripting How to combining awk commands? Post 302772187 by RudiC on Sunday 24th of February 2013 05:05:43 AM
Old 02-24-2013
If I got your quite complex requirement correctly, translating your two awk commands in post #1, this might do the job in one go as requested:
Code:
awk     '/;;WORD/       {if (LINE) print LINE           # if LINE already filled (i.e. NOT the first occurrence)
                         LINE = $2}                     # on WORD occurrence start a new LINE
          /bw:/          {gsub (/.*bw:| .*$/, "")       # eliminate everything  before "bw:" and e.th. after first space (greedy regex)
                         gsub (/\/[^+]*(\+|$)/, "_+")   # process "/" and "+" terminated strings
                         gsub (/^\+|_\+ *$/, "")        # eliminate leading and trailing "+"s
                         LINE = LINE" "$0               # add to output LINE
                        }
         END            {print LINE}                    # print last line
        ' file
A*AbthA >a*Ab_+at_+hA <i*Ab_+at_+a_+hA <i*Ab_+at_+i_+hA <i*Ab_+at_+u_+hA
A$Abty >u$Ab_+atayo >u$Ab_+atayo >u$Ab_+at_+iy >u$Ab_+atayo_+ya >u$Ab_+atayo_+ya

 

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Mixin::Linewise::Readers(3)				User Contributed Perl Documentation			       Mixin::Linewise::Readers(3)

NAME
Mixin::Linewise::Readers - get linewise readers for strings and filenames VERSION
version 0.004 SYNOPSIS
package Your::Pkg; use Mixin::Linewise::Readers -readers; sub read_handle { my ($self, $handle) = @_; LINE: while (my $line = $handle->getline) { next LINE if $line =~ /^#/; print "non-comment: $line"; } } Then: use Your::Pkg; Your::Pkg->read_file($filename); Your::Pkg->read_string($string); Your::Pkg->read_handle($fh); EXPORTS
"read_file" and "read_string" are exported by default. Either can be requested individually, or renamed. They are generated by Sub::Exporter, so consult its documentation for more information. Both can be generated with the option "method" which requests that a method other than "read_handle" is called with the created IO::Handle. read_file Your::Pkg->read_file($filename); If generated, the "read_file" export attempts to open the named file for reading, and then calls "read_handle" on the opened handle. Any arguments after $filename are passed along after to "read_handle". read_string Your::Pkg->read_string($string); If generated, the "read_string" creates an IO::String handle from the given string, and then calls "read_handle" on the opened handle. Any arguments after $string are passed along after to "read_handle". AUTHOR
Ricardo SIGNES <rjbs@cpan.org> COPYRIGHT AND LICENSE
This software is copyright (c) 2008 by Ricardo SIGNES. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. perl v5.16.3 2013-06-18 Mixin::Linewise::Readers(3)
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