Greyscale bars/Display: Difference between revisions
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SqrtNegInf (talk | contribs) (Added Perl example) |
SqrtNegInf (talk | contribs) m (→{{header|Perl 6}}: better message if file open fails) |
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<lang perl6>my ($width,$height) = 1280,768; |
<lang perl6>my ($width,$height) = 1280,768; |
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my $PGM = open "Greyscale-bars-perl6.pgm", :w |
my $PGM = open "Greyscale-bars-perl6.pgm", :w orelse die "Can't create Greyscale-bars-perl6.pgm: $_"; |
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$PGM.print: qq:to/EOH/; |
$PGM.print: qq:to/EOH/; |
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