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Shell Programming and Scripting
Perl - Use of *? in Matching Pattern
Post 302945225 by Corona688 on Wednesday 27th of May 2015 11:19:40 AM
05-27-2015
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i can only find the first occurance of a pattern how do i set it to loop untill all occurances have changed.
#! /usr/bin/perl
use POSIX;
open (DFH_FILE, "./dfh") or die "Can not read file ($!)";
foreach (<DFH_FILE>) {
if ($_ !~ /^#|^$/) {
chomp;
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Hi,
I got doubt in Pattern matching, could you tell me how the following differs in action ??
if ( $line1==/$line2/ )
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if ( $line1=~m/$line2/)
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----------
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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)