ProcessTail
https://github.com/hibariya/process_tail
Description
ProcessTail traces other process' write(2) system call and copy its buffer. So we can get other process outputs.
Problems
- SEGV occurs infrequently
- Windows is not supported
Installation
Add this line to your application's Gemfile:
gem 'process_tail'
And then execute:
$ bundle
Or install it yourself as:
$ gem install process_tail
Usage
On Mac OSX, you'll have to use sudo
.
Get outputs as an IO object
ProcessTail.each pid do |tid, fd, str|
puts tid # pid or tid of this process (thread)
puts fd # File descripter number
puts str # Output string
end
Show outputs instantly
$ process_tail $(pgrep PROCESS_NAME)
Contributing
- Fork it ( https://github.com/hibariya/process_tail/fork )
- Create your feature branch (
git checkout -b my-new-feature
) - Commit your changes (
git commit -am 'Add some feature'
) - Push to the branch (
git push origin my-new-feature
) - Create a new Pull Request