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  1. #!/usr/bin/perl
  2.  
  3. use strict;
  4. use warnings;
  5.  
  6. while (my $line = <>) {
  7.   chomp($line);
  8.  
  9.   if ($line =~ /(?:\d{2,}.\d|[5-9].\d|4.[1-9]) inches/) {
  10.     print qq/[>  4.0"]: $line\n/;
  11.   } else {
  12.     print qq/[<= 4.0"]: $line\n/;
  13.   }
  14. }
  15.  
Success #stdin #stdout 0s 4616KB
comments (?)
stdin 
5.4 inches
12.6 inches
1.2 inches
10.5 inches
4.0 inches
stdout 
[>  4.0"]: 5.4 inches
[>  4.0"]: 12.6 inches
[<= 4.0"]: 1.2 inches
[>  4.0"]: 10.5 inches
[<= 4.0"]: 4.0 inches
https://ideone.com/qqrYmr
language:
Perl (perl 5.28.1)
created:
6 years ago
visibility:
public

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