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Making column amount and width dynamic, adjusting to console size.

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Kieran Pilkington 2009-11-14 13:43:07 +13:00 committed by Max Howell
parent 1a52c7f864
commit 85ffad8117
1 changed files with 8 additions and 2 deletions
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10
Library/Homebrew/utils.rb
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@ -104,8 +104,14 @@ def puts_columns items, cols = 4
if $stdout.tty? if $stdout.tty?
items = items.join("\n") if items.is_a?(Array) items = items.join("\n") if items.is_a?(Array)
items.concat("\n") unless items.empty? items.concat("\n") unless items.empty?
width=`/bin/stty size`.chomp.split(" ").last
IO.popen("/usr/bin/pr -#{cols} -t", "w"){|io| io.write(items) } # determine the best width to display for different console sizes
console_width = `/bin/stty size`.chomp.split(" ").last
longest = items.sort_by { |item| item.length }.last
optimal_col_width = (console_width.to_f / (longest.length + 2).to_f).floor
cols = optimal_col_width > 1 ? optimal_col_width : 1
IO.popen("/usr/bin/pr -#{cols} -t -w#{console_width}", "w"){|io| io.write(items) }
else else
puts *items puts *items
end end