10-29-2009
Pattern matching
Use and complete the template provided. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data: How do you locate all nonblank lines that don't begin with #, /*, or //
2. Relevant commands, code, scripts, algorithms:
grep and regular expressions
3. The attempts at a solution (include all code and scripts):
grep ^[^ # \/* \//] file
4. School (University) and Course Number:
UB CS 615
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Hi,
I have file 1.txt with following entries as shown:
0152364|134444|10.20.30.40|015236433
0233654|122555|10.20.30.50|023365433
**
**
**
In file 2.txt I have the following entries as shown:
0152364|134444|10.20.30.40|015236433
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'Hi
I'm using the following code to extract the lines(and redirect them to a txt file) after the pattern match. But the output is inclusive of the line with pattern match.
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The sample file:
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LEARN ABOUT DEBIAN
rdf::trine::pattern
RDF::Trine::Pattern(3pm) User Contributed Perl Documentation RDF::Trine::Pattern(3pm)
NAME
RDF::Trine::Pattern - Class for basic graph patterns
VERSION
This document describes RDF::Trine::Pattern version 1.000
METHODS
"new ( @triples )"
Returns a new BasicGraphPattern structure.
"construct_args"
Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.
"triples"
Returns a list of triples belonging to this BGP.
"type"
"sse"
Returns the SSE string for this algebra expression.
"referenced_variables"
Returns a list of the variable names used in this algebra expression.
"definite_variables"
Returns a list of the variable names that will be bound after evaluating this algebra expression.
"clone"
"bind_variables ( \%bound )"
Returns a new pattern with variables named in %bound replaced by their corresponding bound values.
"subsumes ( $statement )"
Returns true if the pattern will subsume the $statement when matched against a triple store.
"sort_for_join_variables"
Returns a new pattern object with the subpatterns of the referrant sorted so that they may be joined in order while avoiding cartesian
products (if possible).
BUGS
Please report any bugs or feature requests to through the GitHub web interface at <https://github.com/kasei/perlrdf/issues>.
AUTHOR
Gregory Todd Williams "<gwilliams@cpan.org>"
COPYRIGHT
Copyright (c) 2006-2012 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms
as Perl itself.
perl v5.14.2 2012-06-29 RDF::Trine::Pattern(3pm)