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(→{{header|Ruby}}: Need 1.8.7) |
(→{{header|Ruby}}: Try to require 'io/console' to guess the terminal's width.) |
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| Line 964: | Line 964: | ||
ARGV.length == 1 or |
ARGV.length == 1 or abort "usage: #{$0} year" |
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# Guess width of terminal |
# Guess width of terminal. |
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# 1. Obey environment variable COLUMNS. |
# 1. Obey environment variable COLUMNS. |
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# 2. Try to |
# 2. Try to require 'io/console' from Ruby 1.9.3. |
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# 3. |
# 3. Try to run `tput co`. |
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# 4. Assume 80 columns. |
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columns = (Integer(ENV["COLUMNS"] || "") rescue |
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columns = begin Integer(ENV["COLUMNS"] || "") |
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rescue |
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begin require 'io/console'; IO.console.winsize[1] |
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rescue LoadError |
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begin Integer(`tput co`) |
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rescue |
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80; end; end; end |
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puts cal(Integer(ARGV[0]), columns)</lang> |
puts cal(Integer(ARGV[0]), columns)</lang> |
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