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| author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
|---|---|---|
| committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
| commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
| tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/test/lib/find_executable.rb | |
Fresh start
Diffstat (limited to 'jni/ruby/test/lib/find_executable.rb')
| -rw-r--r-- | jni/ruby/test/lib/find_executable.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/jni/ruby/test/lib/find_executable.rb b/jni/ruby/test/lib/find_executable.rb new file mode 100644 index 0000000..4ba9a05 --- /dev/null +++ b/jni/ruby/test/lib/find_executable.rb @@ -0,0 +1,21 @@ +require "rbconfig" + +module EnvUtil + def find_executable(cmd, *args) + exts = RbConfig::CONFIG["EXECUTABLE_EXTS"].split | [RbConfig::CONFIG["EXEEXT"]] + ENV["PATH"].split(File::PATH_SEPARATOR).each do |path| + next if path.empty? + path = File.join(path, cmd) + exts.each do |ext| + cmdline = [path + ext, *args] + begin + return cmdline if yield(IO.popen(cmdline, "r", err: [:child, :out], &:read)) + rescue + next + end + end + end + nil + end + module_function :find_executable +end |