From: KIMURA Koichi <kimura.koichi@...>
Date: 2007-12-27T12:18:05+09:00
Subject: [ruby-dev:32814] cosmetic bug of ruby-1.9.0-0 rev 14709

木村です。

ruby 1.9.0 (2007-12-25 revision 14709) [i386-mswin32_71] で
オプション表示が現状を反映していません。

C:\home>ruby -vh
ruby 1.9.0 (2007-12-25 revision 14709) [i386-mswin32_71]
Usage: ruby [switches] [--] [programfile] [arguments]
  -0[octal]       specify record separator (\0, if no argument)
  -a              autosplit mode with -n or -p (splits $_ into $F)
  -c              check syntax only
  -Cdirectory     cd to directory, before executing your script
  -d              set debugging flags (set $DEBUG to true)
  -e 'command'    one line of script. Several -e's allowed. Omit [programfile]
  -Fpattern       split() pattern for autosplit (-a)
  -i[extension]   edit ARGV files in place (make backup if extension supplied)
  -Idirectory     specify $LOAD_PATH directory (may be used more than once)
  -Kkcode         specifies KANJI (Japanese) code-set
  -l              enable line ending processing
  -n              assume 'while gets(); ... end' loop around your script
  -p              assume loop like -n but print line also like sed
  -rlibrary       require the library, before executing your script
  -s              enable some switch parsing for switches after script name
  -S              look for the script using PATH environment variable
  -T[level]       turn on tainting checks
  -v              print version number, then turn on verbose mode
  -w              turn warnings on for your script
  -W[level]       set warning level; 0=silence, 1=medium, 2=verbose (default)
  -x[directory]   strip off text before #!ruby line and perhaps cd to directory
  --disable-gems  disable gem libraries
  --copyright     print the copyright
  --version       print the version


-Eencoding が表示されていないのと、-K に関しては obsoleteな旨警告しても
良いかと思います。

-- 
木村浩一