On Thu, 2006-29-06 at 14:31 -0400, Mr. Shawn H. Corey wrote: > OK, here are some pointers: > > 1. Create a file with lines you want to match. Use copy & paste rather > than generating them by hand; you'll avoid typing errors. Try to include > as many just-barely-hits as you can, that is, those lines you want to > match but are on the boundaries. > > The satchel contains the following item (1): item1 > The satchel contains the following items (2): item1, item2 > The satchel contains the following items (3): item1, item2, item3 > > 2. Create a pattern that has all the common parts and replace the parts > that vary with '.*' Be sure to escape any meta-characters. > > m/The satchel contains the following item.* \(.*\): .*/ > > 3. Add parentheses to capture parts. > > m/The satchel contains the following item.* \((.*)\): (.*)/ > > 4. Refine the match by replace the '.*' with more specific matches. > > m/The satchel contains the following items? \((\d+)\): (.*)/ > > 5. Be sure to record the parts immediately after the match. New matches > will overwrite them. > > m/The satchel contains the following items? \((\d+)\): (.*)/ > my $count_of_items = $1; > my $item_list = $2;
Oops, forgot: 6. Run the match against the file you created in step 1. Every line should have output. Verify the output is what it should be. -- __END__ Just my 0.00000002 million dollars worth, --- Shawn "For the things we have to learn before we can do them, we learn by doing them." Aristotle * Perl tutorials at http://perlmonks.org/?node=Tutorials * A searchable perldoc is at http://perldoc.perl.org/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
