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ikoba
/ execute_external_command.rb
Last active
July 19, 2023 08:05
Execute external command and output STDOUT, STDERR in real time.
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| require 'open3' | |
| Open3.popen3('seq 100000') do |stdin, stdout, stderr, wait_thr| | |
| stdin.close_write | |
| loop do | |
| IO.select([stdout, stderr]).flatten.compact.each do |io| | |
| io.each do |line| | |
| next if line.nil? || line.empty? | |
| puts line |
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| #!/usr/bin/env bash | |
| # | |
| # Generate a dummy video or an image. | |
| # | |
| # The caption text and size (width x height) are drawn on the video or image. | |
| # The countdown timer is drawn in the upper right corner of the video. | |
| # | |
| # This script is intended to be run on macOS. | |
| # And it depends on the following packages. | |
| # - imagemagick |
ikoba
/ gitgrep.rb
Last active
December 19, 2022 10:14
'git grep' with functionalities to output GitHub permalinks and authors
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| #!/usr/bin/env ruby | |
| # frozen_string_literal: true | |
| require 'cgi' | |
| require 'csv' | |
| require 'optparse' | |
| SUPPORTED_GIT_GREP_OPTIONS = <<~MSG | |
| -i --ignore-case | |
| -I |