Hello world/Line printer: Difference between revisions
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(→{{header|Ruby}}: Use lpr to print.) |
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=={{header|Ruby}}== |
=={{header|Ruby}}== |
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Assumes that <code>lpr</code> command reaches printer. |
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{{incorrect|Ruby|It prints to standard out rather than to a line printer (which is a peripheral device).}} |
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<lang ruby> |
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puts "Hello World" |
<lang ruby>open("| lpr", "w") { |f| f.puts "Hello World!" }</lang> |
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</lang> |
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=={{header|Tcl}}== |
=={{header|Tcl}}== |
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