You opened the file correctly (some could say there are safer ways, as the 3-argument form of open with a lexical filehandle), but you didn't read from it at all. You used

my $line =~ / /
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as a loop condition, but it's never true: you create a new variable, so it's empty, so it can't match a space. Instead, do something like

open my $FILE, '<', $myfile or die $!;
while (my $line = <$FILE>) {                           # Read a line f
+rom the file.
    my ($project, $value1, $value2) = split ' ', $line;
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