[[rubypopenex]]
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rubypopenex [2014/10/25 21:52] (current) |
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| + | ==== Ruby popen example ==== | ||
| + | <code lang="ruby"> | ||
| + | # $Id$ | ||
| + | # | ||
| + | # /home/madann/learn/ruby/pope.rb | ||
| + | # | ||
| + | |||
| + | require 'getoptlong' | ||
| + | |||
| + | f = IO.popen(exec("tail -f mylog.log | grep -i error")) | ||
| + | while (1) do | ||
| + | trap("INT") { exit } | ||
| + | line = f.readline.chomp | ||
| + | puts "#{line};" if (line.include?("*ERROR*")) | ||
| + | end | ||
| + | f.close | ||
| + | |||
| + | </code> | ||
| + | |||
| + | ---- | ||
| + | * [[rubyinfo|Back to Ruby]] | ||
