Class: MiniMagick::Shell
- Inherits:
-
Object
- Object
- MiniMagick::Shell
- Defined in:
- lib/mini_magick/shell.rb
Overview
Sends commands to the shell (more precisely, it sends commands directly to the operating system).
Instance Method Summary collapse
- #execute(command) ⇒ Object
- #execute_open3(*command) ⇒ Object
- #execute_posix_spawn(*command) ⇒ Object
- #run(command, options = {}) ⇒ Object
Instance Method Details
#execute(command) ⇒ Object
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# File 'lib/mini_magick/shell.rb', line 28 def execute(command) stdout, stderr, status = MiniMagick.logger.debug(command.join(" ")) do Timeout.timeout(MiniMagick.timeout) do send("execute_#{MiniMagick.shell_api.gsub("-", "_")}", *command) end end [stdout, stderr, status.exitstatus] rescue Errno::ENOENT, IOError ["", "executable not found: \"#{command.first}\"", 127] end |
#execute_open3(*command) ⇒ Object
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# File 'lib/mini_magick/shell.rb', line 41 def execute_open3(*command) require "open3" Open3.capture3(*command) end |
#execute_posix_spawn(*command) ⇒ Object
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# File 'lib/mini_magick/shell.rb', line 46 def execute_posix_spawn(*command) require "posix-spawn" pid, stdin, stdout, stderr = POSIX::Spawn.popen4(*command) Process.waitpid(pid) [stdout.read, stderr.read, $?] end |
#run(command, options = {}) ⇒ Object
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# File 'lib/mini_magick/shell.rb', line 13 def run(command, = {}) stdout, stderr, code = execute(command) case code when 1 fail MiniMagick::Error, "`#{command.join(" ")}` failed with error:\n#{stderr}" when 127 fail MiniMagick::Error, stderr end if .fetch(:whiny, true) $stderr.print(stderr) unless [:stderr] == false stdout end |