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18 lines
405 B
Perl
18 lines
405 B
Perl
#!/usr/local/bin/perl
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$total = 0;
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while (1) {
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$line = <STDIN>;
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if ($line eq "") {
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last;
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}
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chop ($line);
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@numbers = split (/[\t ]+/, $line);
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foreach $number (@numbers) {
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if ($number =~ /[^0-9]/) {
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print STDERR ("$number is not a number\n");
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}
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$total += $number;
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}
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}
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print ("The total is $total.\n"); |