1 ffd9a51f 2023-08-04 jrmu #!/usr/bin/perl
 2 ffd9a51f 2023-08-04 jrmu 
 3 ffd9a51f 2023-08-04 jrmu # Make a program that prints each line of its input that contains a period
 4 ffd9a51f 2023-08-04 jrmu # (.), ignoring other lines of input. Try it on the small text file from the
 5 ffd9a51f 2023-08-04 jrmu # previous exercise: does it notice Mr. Slate?
 6 ffd9a51f 2023-08-04 jrmu 
 7 ffd9a51f 2023-08-04 jrmu use warnings;
 8 ffd9a51f 2023-08-04 jrmu use strict;
 9 ffd9a51f 2023-08-04 jrmu use utf8;
10 ffd9a51f 2023-08-04 jrmu 
11 ffd9a51f 2023-08-04 jrmu foreach (grep(/\./, <>)) {
12 ffd9a51f 2023-08-04 jrmu 	print "$_";
13 ffd9a51f 2023-08-04 jrmu }
14 ffd9a51f 2023-08-04 jrmu 
15 ffd9a51f 2023-08-04 jrmu #my @words = <>;
16 ffd9a51f 2023-08-04 jrmu #my @matches = grep(/fred/, @words);
17 ffd9a51f 2023-08-04 jrmu #foreach (@matches) {
18 ffd9a51f 2023-08-04 jrmu #	print "$_";
19 ffd9a51f 2023-08-04 jrmu #}